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run code in 300+ PHP versions simultaneously
<?php $a = array('a' => array(1,2,3)); echo isset($a['a']); echo "-"; echo print($a['a']); echo "-"; echo strlen($a['a']);
Output for 8.1.18 - 8.1.28, 8.2.5 - 8.2.18, 8.3.0 - 8.3.6
1- Warning: Array to string conversion in /in/1rFAf on line 5 Array1- Fatal error: Uncaught TypeError: strlen(): Argument #1 ($string) must be of type string, array given in /in/1rFAf:7 Stack trace: #0 {main} thrown in /in/1rFAf on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.17, 8.2.0 - 8.2.4
1- Warning: Array to string conversion in /in/1rFAf on line 5 Array1- Fatal error: Uncaught TypeError: strlen(): Argument #1 ($str) must be of type string, array given in /in/1rFAf:7 Stack trace: #0 {main} thrown in /in/1rFAf on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
1- Notice: Array to string conversion in /in/1rFAf on line 5 Array1- Warning: strlen() expects parameter 1 to be string, array given in /in/1rFAf on line 7
Output for 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
1-Array1- Warning: strlen() expects parameter 1 to be string, array given in /in/1rFAf on line 7
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
1-Array1- Notice: Array to string conversion in /in/1rFAf on line 7 5

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