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run code in 300+ PHP versions simultaneously
<?php echo '\'; echo '\\'; echo '\\\\';
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting ',' or ';' in /in/IQnAW on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting ',' or ';' in /in/IQnAW on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IQnAW on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IQnAW on line 3 Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ',' or ';' in /in/IQnAW on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IQnAW on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IQnAW on line 3 Parse error: parse error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ',' or ';' in /in/IQnAW on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IQnAW on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IQnAW on line 3 Parse error: parse error, expecting `','' or `';'' in /in/IQnAW on line 4
Process exited with code 255.

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