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run code in 300+ PHP versions simultaneously
<?php preg_replace("/(.*)/e", 'echo 1+1', NULL);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/GXEP1 on line 3 Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/GXEP1 on line 3
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/GXEP1 on line 3
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/GXEP1 on line 3 Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/GXEP1(3) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo 1+1 in /in/GXEP1 on line 3
Process exited with code 255.
Output for 5.4.9 - 5.4.45
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/GXEP1(3) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: echo 1+1 in /in/GXEP1 on line 3
Process exited with code 255.

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