3v4l.org

run code in 300+ PHP versions simultaneously
<?php $context['forum_name'] = 'myForumName'; $params = [ 'context[forum_name]' => '\\' . $context['forum_name'] . '\\' ]; $text = <<<'TEXT' Foo {$context[forum_name]} bar {$bar} blah TEXT; echo preg_replace_callback( '/{\$([^}]+)}/', fn($m) => $params[$m[1]] ?? $m[0], $text );

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.30.0110.00719.57
8.5.20.0090.00820.09
8.5.10.0060.00316.92
8.5.00.0160.00520.18
8.4.180.0140.01119.89
8.4.170.0060.00423.92
8.4.160.0140.01120.60
8.4.150.0090.00317.01
8.4.140.0130.01117.62
8.4.130.0120.00717.95
8.4.120.0040.00422.65
8.4.110.0140.00719.02
8.4.100.0120.01018.09
8.4.90.0130.00818.90
8.4.80.0100.01019.88
8.4.70.0080.00318.36
8.4.60.0120.00818.86
8.4.50.0140.00621.78
8.4.40.0070.01318.01
8.4.30.0140.00418.82
8.4.20.0040.00719.50
8.4.10.0040.00419.65
8.3.300.0120.00720.85
8.3.290.0070.01320.82
8.3.280.0100.01118.66
8.3.270.0120.00816.86
8.3.260.0060.01316.58
8.3.250.0130.00518.69
8.3.240.0050.00416.74
8.3.230.0130.00616.58
8.3.220.0110.00817.41
8.3.210.0140.00416.77
8.3.200.0040.00516.76
8.3.190.0100.01017.26
8.3.180.0120.00616.86
8.3.170.0000.01818.92
8.3.160.0130.00618.54
8.3.150.0110.00417.26
8.3.140.0040.01417.39
8.3.130.0080.00018.61
8.3.120.0040.00419.02
8.3.110.0090.00020.94
8.3.100.0090.00018.70
8.3.90.0080.00016.75
8.3.80.0410.00730.84
8.3.70.0350.01030.84
8.3.60.0400.00730.84
8.3.50.0160.00330.84
8.3.40.0260.02330.84
8.3.30.0290.00530.84
8.3.20.0350.00730.84
8.3.10.0140.00730.84
8.3.00.0140.00730.84
8.2.300.0100.00722.16
8.2.290.0100.00920.35
8.2.280.0040.00418.60
8.2.270.0040.01617.36
8.2.260.0080.01118.43
8.2.250.0110.00718.89
8.2.240.0090.00017.30
8.2.230.0040.00422.58
8.2.220.0070.00324.06
8.2.210.0040.01426.77
8.2.200.0140.00730.84
8.2.190.0240.00730.84
8.2.180.0380.00330.84
8.2.170.0280.00330.84
8.2.160.0160.00830.84
8.2.150.0140.00930.84
8.2.140.0240.00430.84
8.2.130.0220.00030.84
8.2.120.0110.01130.84
8.2.110.0350.00030.84
8.2.100.0230.01030.84
8.2.90.0270.00730.84
8.2.80.0200.01330.84
8.2.70.0210.01330.84
8.2.60.0320.00430.84
8.2.50.0380.00930.84
8.2.40.0420.00430.84
8.2.30.0410.01030.84
8.2.20.0260.00630.84
8.2.10.0190.01330.84
8.2.00.0280.00430.84
8.1.340.0090.01121.88
8.1.330.0100.00921.89
8.1.320.0110.00716.63
8.1.310.0090.00016.72
8.1.300.0030.00618.74
8.1.290.0360.00830.84
8.1.280.0370.00630.84
8.1.270.0300.00730.84
8.1.260.0350.00930.84
8.1.250.0360.00730.84
8.1.240.0320.01030.84
8.1.230.0360.00630.84
8.1.220.0400.00330.84
8.1.210.0350.00630.84
8.1.200.0330.00830.84
8.1.190.0350.00630.84
8.1.180.0390.00330.84
8.1.170.0280.00930.84
8.1.160.0260.01230.84
8.1.150.0340.00430.84
8.1.140.0300.00330.84
8.1.130.0280.01130.84
8.1.120.0310.00730.84
8.1.110.0300.00930.84
8.1.100.0310.00730.84
8.1.90.0390.00330.84
8.1.80.0390.00630.84
8.1.70.0320.01130.84
8.1.60.0340.01030.84
8.1.50.0270.01630.84
8.1.40.0310.00430.84
8.1.30.0280.00630.84
8.1.20.0260.00030.84
8.1.10.0320.00930.84
8.1.00.0340.00830.84

preferences:
51.7 ms | 983 KiB | 5 Q