<?php $x='arg1 : val1 arg2="val2 = \'A\'" arg3 : val3';
Standard input is empty
array(4) {
[0]=>
array(3) {
[0]=>
string(14) "arg1 : val1 "
[1]=>
string(18) "arg2="val2 = 'A'" "
[2]=>
string(11) "arg3 : val3"
}
[1]=>
array(3) {
[0]=>
string(4) "arg1"
[1]=>
string(4) "arg2"
[2]=>
string(4) "arg3"
}
[2]=>
array(3) {
[0]=>
string(0) ""
[1]=>
string(10) "val2 = 'A'"
[2]=>
string(0) ""
}
[3]=>
array(3) {
[0]=>
string(4) "val1"
[1]=>
string(0) ""
[2]=>
string(4) "val3"
}
}