3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "some_text_v1_I2_some_mote__text"; $b = 2; $c = $b - 1; $d = $b + 1; $c = "/(i(ssue)?(" . $b . "\d)|(\d" . $b . "))|(i(ssue)?[0-" . ($b - 1) . ($b + 1) . "-9])|(faculty)|(Internal)|(Final)/i"; if (!preg_match($c, $a)) { echo 1; } else { echo 2; }

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)
8.3.60.0060.01016.63
8.3.50.0140.00622.19
8.3.40.0090.00618.79
8.3.30.0070.00718.90
8.3.20.0070.00020.34
8.3.10.0080.00023.67
8.3.00.0040.00419.55
8.2.180.0090.00618.39
8.2.170.0080.01222.96
8.2.160.0070.01320.41
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0150.00321.13
8.2.110.0030.00719.11
8.2.100.0080.00418.03
8.2.90.0000.00719.05
8.2.80.0080.00018.04
8.2.70.0000.00917.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0040.00418.03
8.2.30.0000.00818.01
8.2.20.0000.00717.75
8.2.10.0040.00418.14
8.2.00.0050.00317.89
8.1.280.0140.00725.92
8.1.270.0000.00822.05
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0030.00722.05
8.1.230.0090.00319.04
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.48
8.1.190.0000.00817.54
8.1.180.0040.00418.10
8.1.170.0000.00818.71
8.1.160.0000.00722.08
8.1.150.0000.00718.92
8.1.140.0040.00417.64
8.1.130.0000.00717.85
8.1.120.0030.00717.55
8.1.110.0000.00717.61
8.1.100.0040.00417.48
8.1.90.0040.00417.65
8.1.80.0070.00017.52
8.1.70.0000.00717.46
8.1.60.0000.00917.79
8.1.50.0000.00817.68
8.1.40.0030.00617.55
8.1.30.0000.00817.76
8.1.20.0020.00517.70
8.1.10.0070.00017.65
8.1.00.0050.00217.55
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0000.00718.48
8.0.270.0050.00317.27
8.0.260.0000.00717.18
8.0.250.0070.00017.06
8.0.240.0040.00417.08
8.0.230.0060.00017.00
8.0.220.0070.00017.04
8.0.210.0000.00717.03
8.0.200.0040.00417.11
8.0.190.0000.01017.00
8.0.180.0070.00017.01
8.0.170.0040.00416.91
8.0.160.0030.00417.09
8.0.150.0000.00817.06
8.0.140.0070.00417.00
8.0.130.0030.00313.42
8.0.120.0060.00317.00
8.0.110.0040.00417.02
8.0.100.0040.00416.89
8.0.90.0040.00416.90
8.0.80.0070.01017.07
8.0.70.0050.00316.95
8.0.60.0000.00816.94
8.0.50.0000.00817.02
8.0.30.0120.00717.17
8.0.20.0150.00817.56
8.0.10.0040.00416.96
8.0.00.0090.01116.92
7.4.330.0000.00515.23
7.4.320.0060.00016.70
7.4.300.0000.00716.70
7.4.290.0030.00316.78
7.4.280.0040.00416.84
7.4.270.0030.00316.73
7.4.260.0000.00716.76
7.4.250.0030.00616.68
7.4.240.0000.00716.79
7.4.230.0000.00716.65
7.4.220.0160.00316.56
7.4.210.0000.02116.72
7.4.200.0030.00316.77
7.4.160.0170.00016.62
7.4.150.0180.00017.40
7.4.140.0060.01117.86
7.4.130.0090.01416.71
7.4.120.0080.01116.44
7.4.110.0120.00616.71
7.4.100.0160.00616.68
7.4.90.0090.00916.71
7.4.80.0070.01119.39
7.4.70.0110.00416.61
7.4.60.0070.01016.41
7.4.50.0000.00516.44
7.4.40.0110.01216.63
7.4.30.0100.00616.71
7.4.00.0090.00615.20
7.3.330.0050.00413.27
7.3.320.0000.00613.25
7.3.310.0070.00016.29
7.3.300.0070.00016.32
7.3.290.0040.01416.47
7.3.280.0090.00916.43
7.3.270.0180.00717.40
7.3.260.0140.00616.77
7.3.250.0140.00616.71
7.3.240.0070.01016.54
7.3.230.0100.01316.61
7.3.210.0060.01216.44
7.3.200.0100.00919.39
7.3.190.0060.00916.81
7.3.180.0040.01216.88
7.3.170.0030.01416.65
7.3.160.0090.00916.37
7.3.10.0120.00616.56
7.3.00.0120.00916.57
7.2.330.0100.00716.71
7.2.320.0140.00316.86
7.2.310.0170.00016.66
7.2.300.0140.00416.92
7.2.290.0030.01316.75
7.2.130.0060.01316.84
7.2.120.0060.00917.18
7.2.110.0280.00016.88
7.2.100.0180.00316.83
7.2.90.0110.00816.81
7.2.80.0120.00916.59
7.2.70.0040.01116.49
7.2.60.0100.00917.14
7.2.50.0170.00916.83
7.2.40.0140.01116.35
7.2.30.0130.00416.66
7.2.20.0130.00316.55
7.2.10.0250.00016.98
7.2.00.0090.01018.33
7.1.250.0160.00315.66
7.1.200.0070.00715.91
7.1.100.0100.00718.08
7.1.70.0060.00317.14
7.1.60.0070.01719.57
7.1.50.0120.00916.92
7.1.00.0070.07322.42
7.0.200.0730.01314.96
7.0.140.0070.06321.95
7.0.60.0100.03719.96
7.0.50.0070.03717.83
7.0.40.0070.08720.43
7.0.30.0270.08020.21
7.0.20.0330.06320.15
7.0.10.0100.08720.11
7.0.00.0100.07720.05
5.6.210.0070.08320.48
5.6.200.0070.05318.21
5.6.190.0170.07320.39
5.6.180.0230.04720.56
5.6.170.0300.05320.43
5.6.160.0030.06020.46
5.6.150.0100.08318.22
5.6.140.0100.07718.11
5.6.130.0070.04318.10
5.6.120.0000.04321.11
5.6.110.0100.07320.88
5.6.100.0100.08021.11
5.6.90.0070.08320.97
5.6.80.0030.05320.41
5.5.350.0070.03020.44
5.5.340.0030.05317.96
5.5.330.0130.07720.21
5.5.320.2300.04320.28
5.5.310.0300.04720.26
5.5.300.0130.05717.95
5.5.290.0070.03717.99
5.5.280.0170.06720.68
5.5.270.0000.06720.78
5.5.260.0030.04320.67
5.5.250.0070.05020.77
5.5.240.0170.06720.28
5.4.450.0230.07719.46
5.4.440.0900.06319.48
5.4.430.0130.05019.32
5.4.420.0170.07019.68
5.4.410.0100.05319.06
5.4.400.0070.05318.85
5.4.390.0130.05019.00
5.4.380.0300.06318.57
5.4.370.0130.04018.42
5.4.360.0100.03718.35
5.4.350.0130.03718.57
5.4.340.0100.04018.57
5.4.320.0170.03718.53
5.4.310.0200.03318.65
5.4.300.0170.04018.33
5.4.290.0130.04018.56
5.4.280.0170.03718.44
5.4.270.0130.04318.66
5.4.260.0100.04718.38
5.4.250.0000.05318.67
5.4.240.0130.03718.35
5.4.230.0100.03718.45
5.4.220.0130.03718.55
5.4.210.0100.03718.49
5.4.200.0070.04016.54
5.4.190.0230.03018.54
5.4.180.0070.04018.58
5.4.170.0130.03718.63
5.4.160.0070.04318.46
5.4.150.0100.03718.55
5.4.140.0100.03716.22
5.4.130.0200.03016.01
5.4.120.0230.02716.15
5.4.110.0130.03316.02
5.4.100.0200.04316.05
5.4.90.0070.04316.11
5.4.80.0130.03716.01
5.4.70.0200.03016.07
5.4.60.0100.03715.98
5.4.50.0170.03016.17
5.4.40.0070.04015.99
5.4.30.0070.03716.16
5.4.20.0070.04016.16
5.4.10.0070.03716.13
5.4.00.0070.03715.56
5.3.290.0130.04014.66
5.3.280.0170.03714.50
5.3.270.0170.03314.77
5.3.260.0070.04014.59
5.3.250.0100.03714.66
5.3.240.0100.04014.52
5.3.230.0100.04314.64
5.3.220.0100.04314.52
5.3.210.0030.05014.66
5.3.200.0100.03714.55
5.3.190.0070.04314.54
5.3.180.0070.04014.55
5.3.170.0130.03714.54
5.3.160.0130.03314.52
5.3.150.0070.04314.63
5.3.140.0100.03714.59
5.3.130.0100.04014.58
5.3.120.0130.03714.50
5.3.110.0030.05314.46
5.3.100.0070.04014.13
5.3.90.0070.04014.09
5.3.80.0130.03314.01
5.3.70.0100.03714.00
5.3.60.0100.04013.99
5.3.50.0030.04313.93
5.3.40.0130.04014.02
5.3.30.0030.05013.98
5.3.20.0070.04013.68
5.3.10.0170.02713.64
5.3.00.0100.03713.59
5.2.170.0100.02711.17
5.2.160.0100.03011.12
5.2.150.0100.03711.18
5.2.140.0070.03311.12
5.2.130.0170.02011.05
5.2.120.0130.03311.01
5.2.110.0170.02711.17
5.2.100.0070.03011.17
5.2.90.0130.03011.31
5.2.80.0030.03711.16
5.2.70.0030.03311.04
5.2.60.0130.04011.00
5.2.50.0100.03011.15
5.2.40.0030.03711.07
5.2.30.0070.03010.93
5.2.20.0030.03011.00
5.2.10.0030.03310.94
5.2.00.0070.02711.00
5.1.60.0030.02710.12
5.1.50.0070.02710.02
5.1.40.0130.01710.09
5.1.30.0130.02010.38
5.1.20.0200.01710.45
5.1.10.0100.02310.24
5.1.00.0030.03010.06
5.0.50.0100.0178.64
5.0.40.0100.0208.49
5.0.30.0100.0308.35
5.0.20.0070.0178.21
5.0.10.0000.0238.43
5.0.00.0070.0308.17
4.4.90.0000.0175.94
4.4.80.0030.0175.89
4.4.70.0030.0135.99
4.4.60.0030.0135.87
4.4.50.0030.0175.87
4.4.40.0000.0305.89
4.4.30.0070.0135.91
4.4.20.0030.0205.98
4.4.10.0100.0135.97
4.4.00.0070.0276.04
4.3.110.0100.0105.86
4.3.100.0100.0105.84
4.3.90.0030.0175.80
4.3.80.0030.0275.91
4.3.70.0000.0205.76
4.3.60.0000.0175.78
4.3.50.0000.0175.79
4.3.40.0030.0275.74
4.3.30.0030.0134.54
4.3.20.0100.0104.61
4.3.10.0070.0104.53
4.3.00.0330.01314.29

preferences:
57.69 ms | 401 KiB | 5 Q