3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "#nga.LEFT_KEY"; echo preg_match('/^#([\!,\<,\>,\=,\%])?([a-z,_]*[\.]?)?([A-Z,_]+)$/', $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)
8.3.60.0070.01418.30
8.3.50.0120.00921.15
8.3.40.0070.00718.83
8.3.30.0100.00618.71
8.3.20.0000.00818.91
8.3.10.0040.00420.97
8.3.00.0030.00623.50
8.2.180.0110.00416.35
8.2.170.0090.00622.96
8.2.160.0070.00720.32
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00019.66
8.2.110.0040.00721.16
8.2.100.0070.00417.97
8.2.90.0030.00619.05
8.2.80.0090.00017.97
8.2.70.0040.00417.63
8.2.60.0080.00017.93
8.2.50.0030.00618.07
8.2.40.0080.00017.97
8.2.30.0040.00419.41
8.2.20.0030.00517.72
8.2.10.0040.00417.75
8.2.00.0000.00717.77
8.1.280.0060.00925.92
8.1.270.0080.00023.99
8.1.260.0110.00426.35
8.1.250.0060.00328.09
8.1.240.0090.00021.16
8.1.230.0090.00317.52
8.1.220.0060.00317.74
8.1.210.0090.00018.77
8.1.200.0070.00317.22
8.1.190.0030.00617.22
8.1.180.0050.00318.10
8.1.170.0040.00418.64
8.1.160.0030.00618.90
8.1.150.0030.00718.64
8.1.140.0070.00017.49
8.1.130.0000.00717.80
8.1.120.0040.00417.46
8.1.110.0040.00417.57
8.1.100.0000.00717.53
8.1.90.0070.00017.43
8.1.80.0080.00017.50
8.1.70.0000.00717.57
8.1.60.0060.00317.57
8.1.50.0040.00417.56
8.1.40.0030.00617.57
8.1.30.0040.00417.63
8.1.20.0000.00817.66
8.1.10.0040.00417.69
8.1.00.0080.00017.64
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.59
8.0.270.0030.00517.15
8.0.260.0030.00316.84
8.0.250.0000.00717.17
8.0.240.0040.00417.13
8.0.230.0030.00316.91
8.0.220.0000.00716.95
8.0.210.0030.00317.00
8.0.200.0030.00316.95
8.0.190.0040.00416.91
8.0.180.0000.00717.04
8.0.170.0040.00416.86
8.0.160.0030.00517.02
8.0.150.0040.00416.88
8.0.140.0000.00716.93
8.0.130.0030.00313.39
8.0.120.0030.00516.85
8.0.110.0050.00217.02
8.0.100.0040.00416.89
8.0.90.0000.00816.84
8.0.80.0090.00616.95
8.0.70.0040.00416.91
8.0.60.0040.00416.85
8.0.50.0000.00716.78
8.0.30.0130.00617.37
8.0.20.0060.01217.40
8.0.10.0000.00717.00
8.0.00.0100.00716.98
7.4.330.0000.00515.04
7.4.320.0000.00716.63
7.4.300.0070.00016.66
7.4.290.0030.00316.63
7.4.280.0030.00316.63
7.4.270.0070.00016.61
7.4.260.0000.00513.42
7.4.250.0050.00316.70
7.4.240.0030.00316.76
7.4.230.0000.00716.59
7.4.220.0030.01516.81
7.4.210.0090.00716.73
7.4.200.0030.00316.59
7.4.190.0050.00216.62
7.4.160.0100.00716.81
7.4.150.0070.01117.40
7.4.140.0070.01017.86
7.4.130.0150.00416.71
7.4.120.0090.01316.73
7.4.110.0060.01216.62
7.4.100.0110.00716.64
7.4.90.0130.00316.54
7.4.80.0200.00319.39
7.4.70.0090.00916.68
7.4.60.0040.01316.61
7.4.50.0090.00016.40
7.4.40.0080.00622.52
7.4.30.0090.00616.54
7.4.00.0080.00814.85
7.3.330.0000.00513.09
7.3.320.0080.00013.02
7.3.310.0070.00016.28
7.3.300.0070.00016.16
7.3.290.0100.01016.18
7.3.280.0040.01316.28
7.3.270.0090.00917.40
7.3.260.0110.00618.24
7.3.250.0070.01516.52
7.3.240.0130.00316.72
7.3.230.0100.01316.74
7.3.210.0100.00616.52
7.3.200.0120.00919.39
7.3.190.0120.00416.70
7.3.180.0060.01216.42
7.3.170.0030.01316.34
7.3.160.0050.01116.72
7.3.120.0080.00615.06
7.2.330.0100.01016.52
7.2.320.0120.00916.72
7.2.310.0050.01016.79
7.2.300.0070.01616.47
7.2.290.0150.00716.74
7.2.110.0250.00016.50
7.2.80.0080.00816.41
7.2.60.0000.01417.14
7.2.00.0040.01119.63
7.1.200.0060.00615.84
7.1.100.0030.00918.05
7.1.70.0000.01117.33
7.1.60.0100.01319.40
7.1.50.0080.01617.03
7.1.00.0030.05022.50
7.0.200.0080.00416.67
7.0.140.0070.06322.19
7.0.100.0300.03719.90
7.0.90.0000.04319.83
7.0.80.0030.04019.84
7.0.70.0030.04019.84
7.0.60.0270.03019.83
7.0.50.0070.04020.19
7.0.40.0030.03720.04
7.0.30.0100.06320.04
7.0.20.0030.04320.08
7.0.10.0030.04320.01
7.0.00.0100.03720.02
5.6.280.0070.07021.12
5.6.250.0070.04020.61
5.6.240.0200.02720.45
5.6.230.0070.04020.62
5.6.220.0030.03320.43
5.6.210.0070.04320.41
5.6.200.0030.04320.90
5.6.190.0030.04721.00
5.6.180.0030.07720.95
5.6.170.0000.05020.94
5.6.160.0070.04021.02
5.6.150.0000.05020.98
5.6.140.0070.04020.94
5.6.130.0000.05020.90
5.6.120.0070.04020.95
5.6.110.0100.03720.95
5.6.100.0070.04020.91
5.6.90.0030.04021.09
5.6.80.0030.04720.37
5.6.70.0070.03720.36
5.6.60.0000.04020.26
5.6.50.0100.03320.36
5.6.40.0030.04720.40
5.6.30.0130.04320.36
5.6.20.0030.04720.24
5.6.10.0070.08020.41
5.6.00.0070.07020.36
5.5.380.0000.05020.29
5.5.370.0030.04020.30
5.5.360.0100.03720.35
5.5.350.0070.04020.33
5.5.340.0100.03720.71
5.5.330.0100.03320.86
5.5.320.0130.05720.77
5.5.310.0130.05020.77
5.5.300.0030.04320.84
5.5.290.0070.04020.85
5.5.280.0000.04320.84
5.5.270.0030.04320.71
5.5.260.0030.04320.82
5.5.250.0200.03320.61
5.5.240.0030.04020.07
5.5.230.0030.04320.24
5.5.220.0030.04020.18
5.5.210.0000.03720.03
5.5.200.0070.03320.21
5.5.190.0030.03720.05
5.5.180.0030.04020.18
5.5.160.0130.05020.11
5.5.150.0130.07720.05
5.5.140.0170.07320.02
5.5.130.0100.07720.08
5.5.120.0170.03320.21
5.5.110.0130.03020.14
5.5.100.0130.07720.02
5.5.90.0170.06320.10
5.5.80.0100.05719.91
5.5.70.0100.06319.99
5.5.60.0170.06320.09
5.5.50.0070.03720.10
5.5.40.0070.08020.08
5.5.30.0130.07019.96
5.5.20.0070.07320.09
5.5.10.0000.06320.07
5.5.00.0000.05019.94
5.4.450.0100.03319.30
5.4.440.0070.03719.39
5.4.430.0100.03319.10
5.4.420.0000.04319.13
5.4.410.0000.04719.31
5.4.400.0000.04718.95
5.4.390.0030.03718.95
5.4.380.0070.03718.96
5.4.370.0070.03019.05
5.4.360.0030.04719.09
5.4.350.0070.03319.14
5.4.340.0070.08019.12
5.4.320.0000.08718.98
5.4.310.0070.07719.14
5.4.300.0130.07018.97
5.4.290.0100.07319.05
5.4.280.0070.03719.09
5.4.270.0100.07019.13
5.4.260.0000.07319.12
5.4.250.0130.05718.97
5.4.240.0130.06719.11
5.4.230.0070.04719.04
5.4.220.0070.06019.12
5.4.210.0000.07019.09
5.4.200.0100.06319.14
5.4.190.0000.07719.13
5.4.180.0100.06719.04
5.4.170.0030.08319.04
5.4.160.0030.04318.81
5.4.150.0230.06319.07
5.4.140.0000.04316.31
5.4.130.0030.07016.30
5.4.120.0070.06716.27
5.4.110.0130.06716.42
5.4.100.0000.04716.22
5.4.90.0000.04316.34
5.4.80.0100.03316.25
5.4.70.0070.06016.25
5.4.60.0070.03016.20
5.4.50.0130.03016.35
5.4.40.0070.06316.41
5.4.30.0000.05016.30
5.4.20.0130.06316.29
5.4.10.0070.08016.27
5.4.00.0070.07315.75
5.3.290.0070.07314.49
5.3.280.0100.03314.58
5.3.270.0000.07714.59
5.3.260.0130.06714.59
5.3.250.0100.07014.61
5.3.240.0130.07014.56
5.3.230.0030.06314.60
5.3.220.0030.06014.52
5.3.210.0070.03714.47
5.3.200.0070.08014.52
5.3.190.0130.06314.46
5.3.180.0070.06314.52
5.3.170.0070.06314.41
5.3.160.0070.05314.38
5.3.150.0070.07714.54
5.3.140.0030.06714.41
5.3.130.0130.06314.52
5.3.120.0070.05314.38
5.3.110.0030.05314.40
5.3.100.0100.07014.02
5.3.90.0130.06713.93
5.3.80.0000.08013.77
5.3.70.0030.04313.79
5.3.60.0070.07013.86
5.3.50.0100.04013.79
5.3.40.0030.04313.79
5.3.30.0030.04713.66
5.3.20.0100.06713.54
5.3.10.0070.05713.60
5.3.00.0100.05713.57
5.2.170.0100.04711.13
5.2.160.0130.05311.18
5.2.150.0130.03711.13
5.2.140.0000.03310.98
5.2.130.0070.06011.08
5.2.120.0070.05711.13
5.2.110.0100.04011.11
5.2.100.0000.05711.05
5.2.90.0100.06011.02
5.2.80.0000.04310.91
5.2.70.0170.05310.95
5.2.60.0070.06011.08
5.2.50.0070.03710.80
5.2.40.0070.06010.81
5.2.30.0070.03710.97
5.2.20.0070.04710.96
5.2.10.0070.05710.91
5.2.00.0130.05010.77
5.1.60.0030.0339.87
5.1.50.0030.04310.09
5.1.40.0130.03310.07
5.1.30.0200.04010.36
5.1.20.0070.05710.35
5.1.10.0100.04010.14
5.1.00.0070.04010.13
5.0.50.0000.0408.38
5.0.40.0030.0408.39
5.0.30.0000.0338.35
5.0.20.0000.0438.27
5.0.10.0070.0408.24
5.0.00.0070.0578.18
4.4.90.0070.0337.67
4.4.80.0000.0177.67
4.4.70.0030.0337.67
4.4.60.0030.0207.67
4.4.50.0000.0277.67
4.4.40.0030.0507.67
4.4.30.0000.0407.67
4.4.20.0030.0337.67
4.4.10.0000.0277.67
4.4.00.0000.0437.67
4.3.110.0070.0337.67
4.3.100.0070.0277.67
4.3.90.0000.0207.67
4.3.80.0000.0437.67
4.3.70.0000.0377.67
4.3.60.0000.0377.67
4.3.50.0000.0377.67
4.3.40.0030.0507.67
4.3.30.0000.0377.67
4.3.20.0000.0377.67
4.3.10.0000.0307.67
4.3.00.0030.0307.67

preferences:
40.42 ms | 401 KiB | 5 Q