3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vals = array( "[[aa]]", "/\\/\\", "&", "$^", "(!@", " ", "", ); $rx = '/^[-+=_.:;!?@#$%&*<>^"\'\\\\\\/\\(\\)\\[\\]\\{\\}a-z0-9]+$/i'; foreach ($vals as $v) { var_dump(preg_match($rx, $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)
8.3.40.0140.00718.84
8.3.30.0160.00018.83
8.3.20.0060.00318.77
8.3.10.0040.00420.61
8.3.00.0030.00619.35
8.2.170.0070.00718.83
8.2.160.0090.00622.96
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00019.48
8.2.110.0070.00322.09
8.2.100.0070.00717.84
8.2.90.0000.00819.11
8.2.80.0000.00917.97
8.2.70.0000.00817.50
8.2.60.0030.00517.77
8.2.50.0050.00318.10
8.2.40.0040.00420.66
8.2.30.0060.00318.05
8.2.20.0030.00619.48
8.2.10.0080.00017.83
8.2.00.0030.00717.88
8.1.270.0080.00024.66
8.1.260.0070.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.13
8.1.230.0070.00317.64
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00617.38
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0060.00318.68
8.1.160.0080.00022.15
8.1.150.0000.00818.77
8.1.140.0030.00617.52
8.1.130.0070.00017.77
8.1.120.0070.00017.50
8.1.110.0090.00017.63
8.1.100.0000.00717.54
8.1.90.0040.00417.59
8.1.80.0050.00317.48
8.1.70.0030.00317.57
8.1.60.0050.00217.76
8.1.50.0070.00017.61
8.1.40.0040.00417.55
8.1.30.0080.00017.83
8.1.20.0040.00417.75
8.1.10.0040.00417.56
8.1.00.0080.00017.50
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0000.00818.38
8.0.270.0000.00717.30
8.0.260.0000.00816.88
8.0.250.0040.00417.04
8.0.240.0090.00017.11
8.0.230.0020.00517.07
8.0.220.0030.00317.06
8.0.210.0070.00017.03
8.0.200.0030.00317.07
8.0.190.0040.00417.10
8.0.180.0050.00217.04
8.0.170.0030.00616.89
8.0.160.0040.00417.10
8.0.150.0070.00016.96
8.0.140.0030.00616.95
8.0.130.0030.00313.46
8.0.120.0000.00816.99
8.0.110.0030.00517.07
8.0.100.0070.00017.06
8.0.90.0060.00316.98
8.0.80.0030.01417.02
8.0.70.0000.00716.90
8.0.60.0040.00417.06
8.0.50.0060.00316.92
8.0.30.0000.01817.25
8.0.20.0130.00717.13
8.0.10.0050.00317.19
8.0.00.0070.01016.93
7.4.330.0020.00213.18
7.4.320.0030.00316.76
7.4.300.0000.00616.79
7.4.290.0030.00316.70
7.4.280.0040.00416.75
7.4.270.0030.00516.64
7.4.260.0000.00513.48
7.4.250.0000.00816.80
7.4.240.0030.00316.63
7.4.230.0000.00716.84
7.4.220.0140.00716.79
7.4.210.0070.01716.57
7.4.200.0070.00016.79
7.4.190.0070.00016.74
7.4.160.0130.00316.68
7.4.150.0070.01116.66
7.4.140.0110.00516.72
7.4.130.0120.00616.65
7.4.120.0090.00916.68
7.4.110.0100.01316.54
7.4.100.0120.00416.62
7.4.90.0160.00316.53
7.4.80.0130.00919.39
7.4.70.0030.01416.94
7.4.60.0090.00916.60
7.4.50.0030.00616.62
7.4.40.0000.01116.61
7.4.30.0030.01316.87
7.4.00.0040.00815.06
7.3.330.0060.00013.20
7.3.320.0080.00013.30
7.3.310.0030.00316.27
7.3.300.0040.00416.46
7.3.290.0080.00616.35
7.3.280.0050.01216.49
7.3.270.0060.01116.36
7.3.260.0070.01716.46
7.3.250.0070.01116.42
7.3.240.0150.00316.38
7.3.230.0160.00016.42
7.3.210.0060.01416.89
7.3.200.0120.00616.63
7.3.190.0120.01216.57
7.3.180.0120.00616.39
7.3.170.0110.00516.75
7.3.160.0160.00016.63
7.3.120.0060.00915.10
7.2.330.0150.00416.79
7.2.320.0140.00716.73
7.2.310.0150.00416.75
7.2.300.0100.01016.59
7.2.290.0140.00516.71
7.2.60.0000.01017.17
7.2.00.0030.01019.24
7.1.200.0110.00616.06
7.1.100.0080.00818.18
7.1.70.0080.00017.39
7.1.60.0080.00419.31
7.1.50.0110.00017.25
7.1.00.0000.06022.32
7.0.200.0230.00715.30
7.0.140.0030.07321.96
7.0.120.0030.04322.18
7.0.60.0270.06719.97
7.0.50.0100.08017.83
7.0.40.0030.06020.23
7.0.30.0330.08020.35
7.0.20.0300.04020.34
7.0.10.0000.05320.14
7.0.00.0070.04020.05
5.6.280.0030.07021.09
5.6.210.0100.07020.50
5.6.200.0170.03718.17
5.6.190.0100.08720.42
5.6.180.0400.07320.35
5.6.170.0170.05020.42
5.6.160.0000.04320.41
5.6.150.0000.04018.22
5.6.140.0030.04318.16
5.6.130.0070.08018.18
5.6.120.0070.04721.08
5.6.110.0130.07721.13
5.6.100.0000.04321.10
5.6.90.0130.06721.13
5.6.80.0170.05720.43
5.5.350.0300.06020.39
5.5.340.0070.08717.89
5.5.330.0070.04720.23
5.5.320.0270.04020.30
5.5.310.0230.05720.31
5.5.300.0000.04317.97
5.5.290.0070.07718.02
5.5.280.0000.09020.77
5.5.270.0070.07020.95
5.5.260.0100.04320.97
5.5.250.0070.08320.71
5.5.240.0270.05320.23
5.4.450.0070.05719.45
5.4.440.0030.08319.20
5.4.430.0070.08019.11
5.4.420.0200.06719.46
5.4.410.0100.03318.98
5.4.400.0030.08019.12
5.4.390.0070.07718.92
5.4.380.0070.07318.79
5.4.370.0100.07318.80
5.4.360.0070.07018.79
5.4.350.0130.07019.08
5.4.340.0100.07019.14
5.4.320.0170.06719.16
5.4.310.0030.05319.07
5.4.300.0100.07319.08
5.4.290.0030.08019.07
5.4.280.0100.07718.91
5.4.270.0070.06318.78
5.4.260.0070.07718.91
5.4.250.0130.07018.91
5.4.240.0170.06319.14
5.4.230.0100.07719.07
5.4.220.0100.07719.07
5.4.210.0030.08318.80
5.4.200.0100.07318.90
5.4.190.0100.06718.80
5.4.180.0130.07318.91
5.4.170.0030.08719.21
5.4.160.0100.04319.12
5.4.150.0100.05719.16
5.4.140.0070.05016.16
5.4.130.0070.07716.32
5.4.120.0170.06016.34
5.4.110.0000.04716.14
5.4.100.0070.04316.43
5.4.90.0030.06016.39
5.4.80.0070.03316.13
5.4.70.0100.06316.13
5.4.60.0130.03316.34
5.4.50.0030.07716.38
5.4.40.0130.05016.38
5.4.30.0100.06316.33
5.4.20.0030.07716.36
5.4.10.0030.07716.28
5.4.00.0030.05315.66
5.3.290.0030.06314.59
5.3.280.0130.07014.54
5.3.270.0070.07314.39
5.3.260.0070.04014.50
5.3.250.0070.07714.53
5.3.240.0030.07314.53
5.3.230.0030.07714.57
5.3.220.0170.06314.38
5.3.210.0100.07714.51
5.3.200.0100.04314.50
5.3.190.0030.04014.50
5.3.180.0030.05314.49
5.3.170.0100.03714.65
5.3.160.0000.04314.65
5.3.150.0170.06714.49
5.3.140.0030.07714.34
5.3.130.0130.07314.52
5.3.120.0100.07314.48
5.3.110.0130.07014.48
5.3.100.0070.06313.96
5.3.90.0030.07713.82
5.3.80.0030.07313.93
5.3.70.0030.07713.84
5.3.60.0170.06314.02
5.3.50.0070.07713.78
5.3.40.0100.07014.04
5.3.30.0100.07013.92
5.3.20.0030.06713.51
5.3.10.0070.07313.67
5.3.00.0170.06013.58
5.2.170.0130.05311.03
5.2.160.0030.06311.00
5.2.150.0030.03011.07
5.2.140.0030.05011.07
5.2.130.0100.05710.99
5.2.120.0070.05711.09
5.2.110.0000.04711.11
5.2.100.0070.06011.07
5.2.90.0170.05311.03
5.2.80.0030.06311.07
5.2.70.0100.05711.18
5.2.60.0030.05710.87
5.2.50.0070.06310.90
5.2.40.0070.06310.93
5.2.30.0030.06710.86
5.2.20.0070.05711.04
5.2.10.0070.04010.86
5.2.00.0100.05310.70
5.1.60.0070.0409.98
5.1.50.0130.04710.04
5.1.40.0100.0509.88
5.1.30.0070.05010.38
5.1.20.0100.05710.20
5.1.10.0070.0579.91
5.1.00.0070.02710.01
5.0.50.0030.0238.52
5.0.40.0030.0438.42
5.0.30.0030.0678.29
5.0.20.0030.0438.10
5.0.10.0000.0508.31
5.0.00.0070.0608.07
4.4.90.0030.0237.98
4.4.80.0000.0237.98
4.4.70.0000.0377.98
4.4.60.0000.0377.98
4.4.50.0070.0277.98
4.4.40.0030.0337.98
4.4.30.0000.0377.98
4.4.20.0070.0337.98
4.4.10.0000.0177.98
4.4.00.0000.0537.98
4.3.110.0070.0307.98
4.3.100.0030.0337.98
4.3.90.0070.0137.98
4.3.80.0000.0537.98
4.3.70.0030.0337.98
4.3.60.0000.0407.98
4.3.50.0070.0307.98
4.3.40.0100.0437.98
4.3.30.0070.0337.98
4.3.20.0030.0237.98
4.3.10.0000.0377.98
4.3.00.0000.0377.98

preferences:
54.87 ms | 400 KiB | 5 Q