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  1. <?php
  2.  
  3. $product1_output = "example product 1";
  4. $product2_output = "example  product 2";
  5. $products_output = "";
  6.  
  7. for($i=1;$i <= 50 ; $i++){
  8. $products_output .= ${"product".$i."_output"};
  9. }
  10. echo $products_output;
Success #stdin #stdout #stderr 0.02s 24400KB
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stdin
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Standard input is empty
stdout
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example product 1example  product 2
stderr
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PHP Notice:  Undefined variable: product3_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product4_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product5_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product6_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product7_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product8_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product9_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product10_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product11_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product12_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product13_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product14_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product15_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product16_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product17_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product18_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product19_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product20_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product21_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product22_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product23_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product24_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product25_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product26_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product27_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product28_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product29_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product30_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product31_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product32_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product33_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product34_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product35_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product36_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product37_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product38_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product39_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product40_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product41_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product42_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product43_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product44_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product45_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product46_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product47_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product48_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product49_output in /home/NPWYF0/prog.php on line 8
PHP Notice:  Undefined variable: product50_output in /home/NPWYF0/prog.php on line 8
https://ideone.com/OHPrs8
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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