3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vals = array( "[[aa]]", "/\\/\\", "&", "$^", ); foreach ($vals as $v) { var_dump( preg_match( '/^[-+=_.:;!?@#\\$%\\^&*a-z0-9\\\\\\/\\(\\)\\[\\]\\{\\}\'"]$/i', $v ) ); }

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)
8.3.70.0170.00316.75
8.3.60.0140.00318.43
8.3.50.0120.00721.98
8.3.40.0060.01019.02
8.3.30.0110.00418.80
8.3.20.0040.00418.73
8.3.10.0040.00420.47
8.3.00.0080.00023.66
8.2.180.0110.01116.75
8.2.170.0120.00922.96
8.2.160.0000.01420.49
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00819.30
8.2.110.0030.00722.29
8.2.100.0060.00617.77
8.2.90.0040.00419.24
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.00717.93
8.2.50.0000.00818.07
8.2.40.0030.00618.15
8.2.30.0040.00718.09
8.2.20.0040.00417.80
8.2.10.0030.00517.93
8.2.00.0000.00817.75
8.1.280.0120.00625.92
8.1.270.0070.00423.99
8.1.260.0110.00426.35
8.1.250.0090.00628.09
8.1.240.0070.00420.59
8.1.230.0100.00320.91
8.1.220.0040.00418.77
8.1.210.0000.01018.80
8.1.200.0060.00317.47
8.1.190.0040.00417.54
8.1.180.0050.00318.10
8.1.170.0040.00418.72
8.1.160.0040.00418.81
8.1.150.0000.00718.78
8.1.140.0070.00017.66
8.1.130.0000.00717.87
8.1.120.0000.00717.52
8.1.110.0030.00517.62
8.1.100.0040.00417.46
8.1.90.0000.00717.51
8.1.80.0000.00717.66
8.1.70.0030.00317.62
8.1.60.0000.00917.68
8.1.50.0040.00417.52
8.1.40.0040.00417.64
8.1.30.0000.00717.68
8.1.20.0090.00017.70
8.1.10.0040.00417.61
8.1.00.0050.00217.53
8.0.300.0070.00319.96
8.0.290.0050.00216.75
8.0.280.0000.00718.52
8.0.270.0000.00717.27
8.0.260.0080.00016.87
8.0.250.0040.00417.00
8.0.240.0060.00417.08
8.0.230.0000.00717.05
8.0.220.0000.00717.08
8.0.210.0040.00416.98
8.0.200.0000.00717.10
8.0.190.0070.00017.11
8.0.180.0000.00717.04
8.0.170.0000.00716.99
8.0.160.0000.00716.93
8.0.150.0000.00817.10
8.0.140.0000.00716.89
8.0.130.0050.00213.39
8.0.120.0040.00417.10
8.0.110.0030.00516.95
8.0.100.0040.00416.89
8.0.90.0030.00616.86
8.0.80.0040.01117.03
8.0.70.0000.00817.07
8.0.60.0070.00016.86
8.0.50.0000.00716.84
8.0.30.0120.00917.31
8.0.20.0050.01717.40
8.0.10.0000.00816.95
8.0.00.0100.00916.94
7.4.330.0000.00514.98
7.4.320.0030.00316.61
7.4.300.0000.00616.78
7.4.290.0040.00416.81
7.4.280.0030.00516.61
7.4.270.0000.00816.72
7.4.260.0050.00013.43
7.4.250.0040.00416.77
7.4.240.0040.00416.73
7.4.230.0030.00316.90
7.4.220.0080.00916.75
7.4.210.0060.00816.80
7.4.200.0030.00316.92
7.4.190.0070.00016.98
7.4.160.0140.00316.51
7.4.150.0090.01117.40
7.4.140.0080.00917.86
7.4.130.0110.00616.62
7.4.120.0120.01016.59
7.4.110.0070.01016.82
7.4.100.0090.01016.59
7.4.90.0090.00916.75
7.4.80.0110.00719.04
7.4.70.0180.00616.56
7.4.60.0090.00916.60
7.4.50.0030.00316.65
7.4.40.0060.00622.27
7.4.30.0150.00916.49
7.4.00.0040.01415.21
7.3.330.0030.00313.32
7.3.320.0060.00013.28
7.3.310.0040.00416.50
7.3.300.0030.00316.25
7.3.290.0070.00716.38
7.3.280.0120.00516.44
7.3.270.0070.01017.40
7.3.260.0150.00618.24
7.3.250.0100.01116.43
7.3.240.0110.01116.45
7.3.230.0100.00716.49
7.3.210.0120.00616.46
7.3.200.0090.00919.39
7.3.190.0100.00716.44
7.3.180.0130.00716.59
7.3.170.0120.00416.54
7.3.160.0140.00416.64
7.3.120.0090.00614.67
7.2.330.0070.01016.85
7.2.320.0090.00916.77
7.2.310.0070.01616.71
7.2.300.0090.00816.71
7.2.290.0100.00716.78
7.2.00.0000.01419.24
7.1.100.0040.00818.20
7.1.70.0030.01016.96
7.1.60.0030.02119.40
7.1.50.0080.00317.12
7.1.00.0070.05722.37
7.0.200.0070.01416.90
7.0.140.0030.07322.21
7.0.60.0130.08020.03
7.0.50.0030.04017.83
7.0.40.0130.03017.81
7.0.30.0030.04017.80
7.0.20.0030.08317.68
7.0.10.0000.08717.70
7.0.00.0130.06317.75
5.6.280.0000.07321.14
5.6.210.0030.04720.61
5.6.200.0070.03718.22
5.6.190.0000.04318.19
5.6.180.0030.04018.12
5.6.170.0100.06018.12
5.6.160.0170.07018.09
5.6.150.0030.05318.18
5.6.140.0070.04018.07
5.6.130.0130.06718.21
5.6.120.0070.04718.07
5.6.110.0100.07318.08
5.6.100.0130.03318.17
5.6.90.0100.05718.05
5.6.80.0130.03717.50
5.6.70.0100.07717.47
5.6.60.0070.07717.52
5.6.50.0070.08017.47
5.6.40.0100.07717.52
5.6.30.0030.05017.47
5.6.20.0030.05017.51
5.6.10.0000.08717.48
5.6.00.0030.08317.42
5.5.350.0300.06720.43
5.5.340.0030.04017.88
5.5.330.0030.04317.92
5.5.320.0000.05717.88
5.5.310.0100.07717.88
5.5.300.0030.07718.02
5.5.290.0130.07317.89
5.5.280.0100.04018.01
5.5.270.0070.05717.86
5.5.260.0100.07717.91
5.5.250.0070.08017.75
5.5.240.0170.06317.35
5.5.230.0100.07717.25
5.5.220.0100.07317.29
5.5.210.0070.08017.29
5.5.200.0030.04717.32
5.5.190.0030.08017.27
5.5.180.0100.07317.26
5.5.160.0030.05017.30
5.5.150.0070.04717.31
5.5.140.0100.06717.27
5.5.130.0170.03717.23
5.5.120.0000.07717.29
5.5.110.0100.07717.23
5.5.100.0170.07017.28
5.5.90.0100.07317.14
5.5.80.0000.08017.15
5.5.70.0030.08017.22
5.5.60.0070.05717.20
5.5.50.0100.06717.25
5.5.40.0130.06717.25
5.5.30.0070.06317.14
5.5.20.0070.07717.16
5.5.10.0000.06017.18
5.5.00.0030.08317.24
5.4.450.0070.05019.46
5.4.440.0000.08719.34
5.4.430.0070.04319.54
5.4.420.0100.05019.52
5.4.410.0100.07319.14
5.4.400.0100.07719.01
5.4.390.0100.04318.99
5.4.380.0070.06019.09
5.4.370.0070.07019.14
5.4.360.0170.07018.89
5.4.350.0100.07718.96
5.4.340.0130.06719.02
5.4.320.0070.07719.01
5.4.310.0070.06018.95
5.4.300.0070.07718.96
5.4.290.0070.06318.98
5.4.280.0070.08018.95
5.4.270.0100.04019.03
5.4.260.0070.04719.09
5.4.250.0030.08019.20
5.4.240.0130.07018.88
5.4.230.0070.07018.82
5.4.220.0100.07319.12
5.4.210.0000.07019.20
5.4.200.0070.05718.88
5.4.190.0030.06319.02
5.4.180.0030.07718.92
5.4.170.0070.07318.88
5.4.160.0070.07319.10
5.4.150.0100.07719.11
5.4.140.0030.07716.34
5.4.130.0070.07716.32
5.4.120.0000.07016.45
5.4.110.0100.05016.36
5.4.100.0200.06016.29
5.4.90.0100.05716.36
5.4.80.0030.07316.24
5.4.70.0000.07716.39
5.4.60.0000.07716.25
5.4.50.0100.03716.30
5.4.40.0070.05316.28
5.4.30.0030.04016.27
5.4.20.0130.07016.27
5.4.10.0030.04316.49
5.4.00.0030.04315.71
5.3.290.0030.05014.63
5.3.280.0100.07314.67
5.3.270.0130.04714.52
5.3.260.0030.05014.42
5.3.250.0030.07714.59
5.3.240.0100.04314.56
5.3.230.0000.06714.56
5.3.220.0070.07314.55
5.3.210.0030.06314.52
5.3.200.0100.07314.52
5.3.190.0100.05714.55
5.3.180.0100.04714.48
5.3.170.0100.06714.49
5.3.160.0070.08014.52
5.3.150.0130.06314.48
5.3.140.0070.04714.48
5.3.130.0030.07714.48
5.3.120.0100.07314.63
5.3.110.0030.05314.53
5.3.100.0100.03713.88
5.3.90.0070.07313.98
5.3.80.0130.07013.97
5.3.70.0030.07714.09
5.3.60.0200.05713.85
5.3.50.0070.07713.88
5.3.40.0100.07013.86
5.3.30.0030.05713.83
5.3.20.0130.06013.63
5.3.10.0000.07713.58
5.3.00.0030.07313.62
5.2.170.0030.03311.12
5.2.160.0130.02710.96
5.2.150.0100.06011.13
5.2.140.0000.05711.07
5.2.130.0070.03711.08
5.2.120.0100.03011.06
5.2.110.0030.06711.06
5.2.100.0030.06311.02
5.2.90.0000.05711.00
5.2.80.0030.05711.06
5.2.70.0030.03711.09
5.2.60.0030.06011.02
5.2.50.0030.04310.96
5.2.40.0100.06011.00
5.2.30.0030.04010.95
5.2.20.0100.05710.94
5.2.10.0030.04310.83
5.2.00.0070.05710.77
5.1.60.0030.0309.96
5.1.50.0030.05310.00
5.1.40.0030.0309.77
5.1.30.0030.05010.31
5.1.20.0030.03010.38
5.1.10.0000.0579.98
5.1.00.0100.05010.03
5.0.50.0130.0378.47
5.0.40.0030.0438.44
5.0.30.0030.0438.36
5.0.20.0030.0438.02
5.0.10.0070.0408.07
5.0.00.0070.0578.06
4.4.90.0000.0177.93
4.4.80.0000.0237.93
4.4.70.0030.0237.93
4.4.60.0030.0277.93
4.4.50.0070.0307.93
4.4.40.0030.0407.93
4.4.30.0030.0377.93
4.4.20.0070.0307.93
4.4.10.0030.0237.93
4.4.00.0070.0507.93
4.3.110.0000.0307.93
4.3.100.0000.0207.93
4.3.90.0130.0207.93
4.3.80.0070.0337.93
4.3.70.0000.0207.93
4.3.60.0000.0177.93
4.3.50.0000.0407.93
4.3.40.0030.0507.93
4.3.30.0000.0237.93
4.3.20.0100.0277.93
4.3.10.0030.0277.93
4.3.00.0000.0337.93

preferences:
32.18 ms | 401 KiB | 5 Q