3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "#<LEFT_KEYs"; echo preg_match('/^#([\!,\<,\>,\=,\%])?([a-z,_]*[\.]?)?([A-Z,_]+)$/', $subject);

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)
8.3.60.0070.00718.61
8.3.50.0170.00521.99
8.3.40.0100.01019.14
8.3.30.0110.00718.66
8.3.20.0150.00418.90
8.3.10.0060.00920.98
8.3.00.0090.00623.65
8.2.180.0160.00316.63
8.2.170.0040.01122.96
8.2.160.0090.00620.46
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0110.00726.16
8.2.120.0000.00919.79
8.2.110.0030.00620.38
8.2.100.0090.00318.03
8.2.90.0040.00419.21
8.2.80.0030.00517.97
8.2.70.0000.00817.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0050.00318.16
8.2.30.0040.00421.18
8.2.20.0070.00017.80
8.2.10.0000.00717.77
8.2.00.0080.00017.85
8.1.280.0100.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0030.01428.09
8.1.240.0100.00022.55
8.1.230.0080.00421.02
8.1.220.0000.00818.77
8.1.210.0000.00818.83
8.1.200.0050.00517.48
8.1.190.0060.00317.39
8.1.180.0050.00318.10
8.1.170.0030.00518.62
8.1.160.0050.00318.81
8.1.150.0000.00718.75
8.1.140.0000.00817.45
8.1.130.0040.00417.76
8.1.120.0100.00017.41
8.1.110.0000.00717.42
8.1.100.0070.00017.54
8.1.90.0050.00317.42
8.1.80.0030.00517.43
8.1.70.0040.00417.38
8.1.60.0030.00517.63
8.1.50.0000.00817.46
8.1.40.0060.00317.66
8.1.30.0040.00417.68
8.1.20.0030.00617.67
8.1.10.0040.00417.73
8.1.00.0040.00417.66
8.0.300.0000.00719.89
8.0.290.0000.00717.15
8.0.280.0030.00318.48
8.0.270.0040.00417.27
8.0.260.0030.00316.96
8.0.250.0000.00717.12
8.0.240.0050.00316.99
8.0.230.0000.00817.02
8.0.220.0040.00416.81
8.0.210.0040.00416.94
8.0.200.0000.00716.93
8.0.190.0030.00516.92
8.0.180.0070.00016.99
8.0.170.0000.00816.90
8.0.160.0070.00017.01
8.0.150.0050.00316.86
8.0.140.0040.00817.00
8.0.130.0050.00013.46
8.0.120.0040.00316.95
8.0.110.0030.00516.85
8.0.100.0000.00717.02
8.0.90.0040.00416.88
8.0.80.0090.00616.89
8.0.70.0040.00416.80
8.0.60.0000.00816.82
8.0.50.0070.00017.00
8.0.30.0100.00817.38
8.0.20.0150.00317.40
8.0.10.0000.00816.97
8.0.00.0150.00516.99
7.4.330.0000.00514.84
7.4.320.0030.00316.65
7.4.300.0000.00616.64
7.4.290.0070.00016.74
7.4.280.0000.00616.61
7.4.270.0000.00716.64
7.4.260.0030.00313.46
7.4.250.0060.00316.63
7.4.240.0000.00716.70
7.4.230.0040.00416.63
7.4.220.0060.01316.54
7.4.210.0080.01016.72
7.4.200.0040.00416.53
7.4.190.0070.00016.89
7.4.160.0110.00416.55
7.4.150.0090.00917.40
7.4.140.0100.01417.86
7.4.130.0110.00516.63
7.4.120.0090.00916.68
7.4.110.0140.00416.61
7.4.100.0130.01016.69
7.4.90.0130.00316.60
7.4.80.0090.00919.39
7.4.70.0070.01116.55
7.4.60.0110.00616.62
7.4.50.0040.00416.54
7.4.40.0070.00722.52
7.4.30.0160.00616.63
7.4.00.0110.00314.96
7.3.330.0000.00513.04
7.3.320.0080.00413.19
7.3.310.0030.00616.26
7.3.300.0000.00716.27
7.3.290.0040.01516.32
7.3.280.0050.01316.29
7.3.270.0070.01617.40
7.3.260.0100.00818.24
7.3.250.0150.00316.64
7.3.240.0070.01016.23
7.3.230.0130.00416.72
7.3.210.0070.01016.66
7.3.200.0070.01619.39
7.3.190.0110.00716.20
7.3.180.0060.00916.18
7.3.170.0090.00616.51
7.3.160.0070.00716.57
7.3.120.0040.00814.85
7.3.10.0080.00416.63
7.3.00.0070.00716.67
7.2.330.0120.00616.60
7.2.320.0130.01016.66
7.2.310.0070.01116.50
7.2.300.0130.00916.66
7.2.290.0170.00816.64
7.2.130.0090.00616.88
7.2.120.0040.00716.81
7.2.110.0070.00716.82
7.2.100.0030.00916.96
7.2.90.0030.00917.00
7.2.80.0030.01016.73
7.2.70.0000.01416.88
7.2.60.0020.00817.02
7.2.50.0080.00816.86
7.2.40.0030.00617.04
7.2.30.0100.00317.11
7.2.20.0060.00617.05
7.2.10.0000.00916.91
7.2.00.0000.00816.78
7.1.250.0030.00715.52
7.1.200.0060.00915.91
7.1.70.0000.01117.14
7.1.60.0060.01019.40
7.1.50.0170.02134.80
7.1.00.0000.07322.59
7.0.200.0030.00514.81
7.0.140.0030.06721.98
7.0.80.0030.05719.93
7.0.70.0470.07719.95
7.0.60.0130.08020.07
7.0.50.0070.08720.33
7.0.40.0070.07720.18
7.0.30.0100.07320.03
7.0.20.0070.08020.23
7.0.10.0170.07320.09
7.0.00.0130.06720.14
5.6.280.0070.06720.98
5.6.230.0030.09020.56
5.6.220.0100.04320.57
5.6.210.0030.06720.60
5.6.200.0100.07021.11
5.6.190.0070.08021.04
5.6.180.0070.05321.02
5.6.170.0100.04721.13
5.6.160.0070.05321.10
5.6.150.0100.05321.08
5.6.140.0030.07021.03
5.6.130.0130.05720.92
5.6.120.0100.07321.00
5.6.110.0070.05320.90
5.6.100.0030.04721.11
5.6.90.0130.05020.91
5.6.80.0100.07020.51
5.6.70.0030.04720.45
5.6.60.0170.07320.48
5.6.50.0130.06720.40
5.6.40.0000.04720.38
5.6.30.0030.08320.35
5.6.20.0070.04720.39
5.6.10.0100.07720.41
5.6.00.0130.07020.37
5.5.370.0030.07720.53
5.5.360.0170.07020.39
5.5.350.0100.06020.42
5.5.340.0130.07020.86
5.5.330.0000.04720.86
5.5.320.0030.05020.85
5.5.310.0200.03320.88
5.5.300.0030.05720.79
5.5.290.0100.05020.79
5.5.280.0130.04020.61
5.5.270.0130.07320.91
5.5.260.0170.06320.81
5.5.250.0130.07720.53
5.5.240.0270.06320.25
5.5.230.0070.08020.26
5.5.220.0030.07020.14
5.5.210.0100.07320.25
5.5.200.0100.06320.07
5.5.190.0030.04720.11
5.5.180.0170.08020.23
5.5.160.0100.07720.27
5.5.150.0030.04020.21
5.5.140.0070.07720.26
5.5.130.0170.06720.22
5.5.120.0030.07020.26
5.5.110.0070.08020.22
5.5.100.0030.08020.17
5.5.90.0130.07020.06
5.5.80.0200.06720.13
5.5.70.0170.05719.93
5.5.60.0070.07719.95
5.5.50.0100.04020.05
5.5.40.0100.05020.14
5.5.30.0100.07320.12
5.5.20.0130.07320.10
5.5.10.0070.04719.97
5.5.00.0130.08320.05
5.4.450.0170.05019.31
5.4.440.0070.05319.13
5.4.430.0070.04719.39
5.4.420.0070.06319.46
5.4.410.0100.07719.27
5.4.400.0030.07718.98
5.4.390.0030.07318.81
5.4.380.0030.08018.90
5.4.370.0100.04318.90
5.4.360.0100.07718.78
5.4.350.0130.06719.14
5.4.340.0030.08019.01
5.4.320.0000.08718.96
5.4.310.0070.06319.08
5.4.300.0000.06319.12
5.4.290.0100.03319.12
5.4.280.0030.05019.23
5.4.270.0130.06018.79
5.4.260.0000.05019.11
5.4.250.0130.04718.99
5.4.240.0100.07019.14
5.4.230.0100.04019.09
5.4.220.0100.07718.97
5.4.210.0200.06318.96
5.4.200.0100.06718.93
5.4.190.0100.07318.77
5.4.180.0100.06319.21
5.4.170.0030.04319.22
5.4.160.0130.06318.88
5.4.150.0070.07018.92
5.4.140.0100.07716.30
5.4.130.0100.04016.21
5.4.120.0230.03316.31
5.4.110.0030.05016.30
5.4.100.0070.06016.36
5.4.90.0070.04016.25
5.4.80.0070.07316.22
5.4.70.0070.07716.39
5.4.60.0070.07316.27
5.4.50.0100.05716.30
5.4.40.0070.04016.47
5.4.30.0000.05716.18
5.4.20.0070.07316.23
5.4.10.0070.07716.40
5.4.00.0030.07015.67
5.3.290.0000.07714.66
5.3.280.0100.07014.57
5.3.270.0070.07314.45
5.3.260.0070.04014.60
5.3.250.0100.07314.56
5.3.240.0030.07314.45
5.3.230.0100.06014.53
5.3.220.0070.06714.57
5.3.210.0000.08314.55
5.3.200.0100.06014.51
5.3.190.0070.05014.55
5.3.180.0030.04714.54
5.3.170.0030.07014.51
5.3.160.0100.04314.46
5.3.150.0030.04314.39
5.3.140.0000.07714.46
5.3.130.0070.07014.55
5.3.120.0000.05314.54
5.3.110.0030.08014.36
5.3.100.0070.05013.86
5.3.90.0030.05713.87
5.3.80.0070.07713.92
5.3.70.0070.07014.01
5.3.60.0030.05313.86
5.3.50.0100.06313.93
5.3.40.0100.06713.84
5.3.30.0070.07013.89
5.3.20.0130.04713.68
5.3.10.0070.06313.64
5.3.00.0070.03713.62
5.2.170.0070.04013.53
5.2.160.0070.03713.53
5.2.150.0170.05313.53
5.2.140.0100.06013.53
5.2.130.0070.06013.53
5.2.120.0070.05713.53
5.2.110.0070.06313.53
5.2.100.0030.03313.53
5.2.90.0070.06013.53
5.2.80.0070.06013.53
5.2.70.0100.06013.53
5.2.60.0100.03013.53
5.2.50.0070.05313.53
5.2.40.0070.05713.53
5.2.30.0030.04713.53
5.2.20.0070.04013.53
5.2.10.0030.03313.53
5.2.00.0030.03313.53
5.1.60.0100.04713.53
5.1.50.0030.04313.53
5.1.40.0030.03713.53
5.1.30.0100.02013.53
5.1.20.0070.04713.53
5.1.10.0070.05313.53
5.1.00.0070.05013.53
5.0.50.0000.02713.53
5.0.40.0030.02313.53
5.0.30.0000.07013.53
5.0.20.0030.02013.53
5.0.10.0030.04313.53
5.0.00.0070.03013.53
4.4.90.0000.03013.53
4.4.80.0030.01713.53
4.4.70.0000.01713.53
4.4.60.0070.01013.53
4.4.50.0030.03013.53
4.4.40.0070.02313.53
4.4.30.0030.03313.53
4.4.20.0070.03313.53
4.4.10.0000.02313.53
4.4.00.0070.04713.53
4.3.110.0000.03713.53
4.3.100.0000.03013.53
4.3.90.0000.03713.53
4.3.80.0000.05713.53
4.3.70.0000.03713.53
4.3.60.0070.03013.53
4.3.50.0030.03013.53
4.3.40.0070.03313.53
4.3.30.0070.02313.53
4.3.20.0030.02013.53
4.3.10.0030.02313.53
4.3.00.0000.02713.53

preferences:
46.88 ms | 401 KiB | 5 Q