3v4l.org

run code in 300+ PHP versions simultaneously
<?php // UNIT_MARKER_INVALID_CHARS = '_/\n<>'; echo $ic = preg_quote( '_/\n<>', '~'); var_dump( preg_match( "~[$ic]~", 'this-contains-letter-n' ) ); var_dump( preg_match( "~[$ic]~", 'this-comtaims-letter-m' ) ); var_dump( preg_match( "~[$ic]~", 'aaa' ) );

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)
8.3.60.0170.01016.75
8.3.50.0110.00318.26
8.3.40.0030.01020.46
8.3.30.0070.00719.01
8.3.20.0000.00724.18
8.3.10.0050.00324.66
8.3.00.0000.00726.16
8.2.180.0120.00325.92
8.2.170.0040.01118.93
8.2.160.0060.01222.96
8.2.150.0030.00725.66
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0080.00026.35
8.2.110.0030.00722.23
8.2.100.0080.00417.91
8.2.90.0050.00317.88
8.2.80.0040.00418.89
8.2.70.0000.00817.75
8.2.60.0040.00417.75
8.2.50.0040.00417.75
8.2.40.0040.00418.03
8.2.30.0000.00818.04
8.2.20.0040.00418.13
8.2.10.0040.00419.30
8.2.00.0000.00719.14
8.1.280.0070.00725.92
8.1.270.0000.00923.99
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0030.00723.91
8.1.230.0060.00519.05
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0030.00617.23
8.1.180.0000.00818.10
8.1.170.0040.00417.62
8.1.160.0040.00418.80
8.1.150.0000.00718.78
8.1.140.0070.00018.88
8.1.130.0000.00720.09
8.1.120.0070.00017.56
8.1.110.0030.00617.36
8.1.100.0040.00417.56
8.1.90.0040.00417.48
8.1.80.0000.00917.57
8.1.70.0040.00417.49
8.1.60.0040.00417.66
8.1.50.0070.00017.61
8.1.40.0000.00817.51
8.1.30.0070.00017.79
8.1.20.0000.00817.70
8.1.10.0030.00617.70
8.1.00.0050.00317.61
8.0.300.0070.00018.77
8.0.290.0090.00016.75
8.0.280.0060.00018.45
8.0.270.0060.00318.15
8.0.260.0070.00018.52
8.0.250.0000.00717.13
8.0.240.0030.00316.99
8.0.230.0030.00317.08
8.0.220.0030.00317.01
8.0.210.0000.00716.93
8.0.200.0000.00717.11
8.0.190.0070.00016.98
8.0.180.0040.00417.10
8.0.170.0040.00416.94
8.0.160.0040.00417.09
8.0.150.0060.00316.86
8.0.140.0040.00416.98
8.0.130.0000.00613.34
8.0.120.0000.00816.87
8.0.110.0070.00017.04
8.0.100.0000.00717.07
8.0.90.0070.00017.00
8.0.80.0100.00617.00
8.0.70.0000.00916.88
8.0.60.0050.00217.00
8.0.50.0000.00816.92
8.0.30.0100.01017.16
8.0.20.0110.00817.12
8.0.10.0040.00416.97
8.0.00.0070.01816.88
7.4.330.0000.00515.55
7.4.320.0050.00516.68
7.4.300.0030.00316.50
7.4.290.0070.00016.63
7.4.280.0000.00816.69
7.4.270.0040.00416.74
7.4.260.0000.00613.38
7.4.250.0000.00716.72
7.4.240.0030.00816.65
7.4.230.0000.00716.46
7.4.220.0050.00216.74
7.4.210.0090.00916.66
7.4.200.0040.00416.86
7.4.130.0150.00516.66
7.4.120.0140.01016.68
7.4.110.0100.00816.86
7.4.100.0080.00816.76
7.4.90.0070.01016.79
7.4.80.0110.00616.63
7.4.70.0080.01116.55
7.4.60.0090.00916.41
7.4.50.0100.00616.53
7.4.40.0040.01316.37
7.4.30.0070.01016.80
7.4.20.0090.00916.68
7.4.10.0080.01216.69
7.4.00.0130.00316.75
7.3.330.0030.00316.22
7.3.320.0000.00713.14
7.3.310.0000.00716.29
7.3.300.0060.00016.38
7.3.290.0070.01016.36
7.3.260.0150.02016.52
7.3.230.0100.00716.45
7.3.220.0130.01016.37
7.3.210.0090.00616.31
7.3.200.0100.00716.36
7.3.190.0060.01116.64
7.3.180.0070.01016.63
7.3.170.0030.01316.55
7.3.160.0060.01016.50
7.3.150.0100.00716.73
7.3.140.0100.00616.75
7.3.130.0100.00716.41
7.3.120.0130.00316.38
7.3.110.0100.01016.51
7.3.100.0130.00716.34
7.3.90.0070.01316.34
7.3.80.0070.01316.67
7.3.70.0070.01016.50
7.3.60.0100.00916.62
7.3.50.0080.00816.41
7.3.40.0070.01016.53
7.3.30.0170.00616.50
7.3.20.0200.00316.38
7.3.10.0100.00716.50
7.3.00.0070.01416.39
7.2.330.0130.00316.71
7.2.320.0090.00916.64
7.2.310.0060.00916.83
7.2.300.0100.00716.69
7.2.290.0070.01016.61
7.2.280.0180.00316.63
7.2.270.0070.01016.36
7.2.260.0110.00616.66
7.2.250.0140.00716.34
7.2.240.0100.01016.63
7.2.230.0100.00716.90
7.2.220.0080.00916.75
7.2.210.0070.01116.75
7.2.200.0100.01016.68
7.2.190.0090.00916.76
7.2.180.0030.01516.64
7.2.170.0100.00716.78
7.2.160.0120.01216.75
7.2.150.0070.01116.81
7.2.140.0060.01216.81
7.2.130.0150.00616.79
7.2.120.0120.00616.70
7.2.110.0170.00016.83
7.2.100.0110.00616.76
7.2.90.0080.01116.74
7.2.80.0030.01416.79
7.2.70.0070.01016.79
7.2.60.0090.01216.53
7.2.50.0140.00316.59
7.2.40.0120.00616.70
7.2.30.0110.00716.77
7.2.20.0220.00316.67
7.2.10.0030.01416.60
7.2.00.0070.01016.61

preferences:
59.74 ms | 400 KiB | 5 Q