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  1. <?php
  2. $s = '1234';
  3. foreach(range(1, strlen($s)) as $i) print substr($s, 0, $i) . "\n";
  4. ?>
Success #stdin #stdout 0.02s 13064KB
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stdin
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Standard input is empty
stdout
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1
12
123
1234
https://ideone.com/pVkzf
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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