3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = 'echo "ok";'; function ev($callback) { $callback(); } preg_replace('/.*/e', 'ev(function() {' . $b .'})', '');
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/508M0 on line 8
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/508M0 on line 8 ok
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
ok
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/508M0(8) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: ev(function() {echo "ok";}) in /in/508M0 on line 8
Process exited with code 255.
Output for 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/508M0(8) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: ev(function() {echo "ok";}) in /in/508M0 on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/508M0(8) : regexp code on line 1 Fatal error: preg_replace(): Failed evaluating code: ev(function() {echo "ok";}) in /in/508M0 on line 8
Process exited with code 255.
Output for 4.3.5 - 4.3.10
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/508M0(8) : regexp code on line 1 Fatal error: Failed evaluating code: ev(function() {echo "ok";}) in /in/508M0 on line 8
Process exited with code 255.
Output for 4.3.4
Parse error: parse error, expecting `')'' in /in/508M0(8) : regexp code on line 1 Fatal error: Failed evaluating code: ev(function() {echo "ok";}) in /in/508M0 on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.3
Parse error: parse error, expecting `')'' in /in/508M0(8) : regexp code on line 1
Process exited with code 139.
Output for 4.3.0 - 4.3.1
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/508M0(8) : regexp code on line 1
Process exited with code 139.

preferences:
303.11 ms | 401 KiB | 354 Q