3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'CustomErrorLog "/errorlog wtf" hello bvc "jjrr" hello rrgg/x^$46/ "rggg£"'; preg_match('/"([^"]*)"|\S+/', $str, $matches); $errorLog = 'syslog:wtf'; var_dump(preg_match('/^syslog:/', $errorLog)); //var_dump(false !== strpos($errorLog, "syslog:"));

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)
8.3.60.0100.01018.56
8.3.50.0100.00822.14
8.3.40.0110.00418.59
8.3.30.0070.00718.90
8.3.20.0050.00220.14
8.3.10.0080.00023.52
8.3.00.0060.00319.51
8.2.180.0120.00316.63
8.2.170.0070.01122.96
8.2.160.0030.01020.18
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00022.37
8.2.110.0030.00722.07
8.2.100.0120.00017.75
8.2.90.0000.00719.07
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0050.00317.66
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.01118.07
8.2.20.0040.00417.79
8.2.10.0050.00217.97
8.2.00.0000.00817.74
8.1.280.0000.01525.92
8.1.270.0080.00022.18
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0070.01423.83
8.1.230.0000.01120.75
8.1.220.0050.00317.75
8.1.210.0030.00618.77
8.1.200.0000.01017.25
8.1.190.0040.00417.13
8.1.180.0080.00018.10
8.1.170.0030.00620.45
8.1.160.0040.00421.95
8.1.150.0080.00018.84
8.1.140.0040.00417.55
8.1.130.0000.00717.82
8.1.120.0070.00017.55
8.1.110.0030.00517.43
8.1.100.0000.00717.49
8.1.90.0080.00017.51
8.1.80.0050.00317.52
8.1.70.0000.00717.44
8.1.60.0060.00317.72
8.1.50.0040.00417.65
8.1.40.0040.00417.62
8.1.30.0080.00017.59
8.1.20.0050.00217.73
8.1.10.0060.00317.54
8.1.00.0030.00617.44
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0050.00218.45
8.0.270.0000.00817.21
8.0.260.0030.00317.21
8.0.250.0000.00716.96
8.0.240.0060.00317.02
8.0.230.0040.00416.90
8.0.220.0040.00416.84
8.0.210.0040.00417.00
8.0.200.0000.00717.00
8.0.190.0040.00416.95
8.0.180.0040.00417.02
8.0.170.0000.00917.02
8.0.160.0030.00317.01
8.0.150.0040.00416.92
8.0.140.0040.00416.85
8.0.130.0000.00513.38
8.0.120.0000.00816.91
8.0.110.0000.00717.02
8.0.100.0000.00716.90
8.0.90.0020.00517.00
8.0.80.0090.00616.96
8.0.70.0050.00217.02
8.0.60.0000.00717.02
8.0.50.0000.00716.82
8.0.30.0140.00517.16
8.0.20.0130.00617.40
8.0.10.0080.00016.97
8.0.00.0120.00516.80
7.4.330.0040.00415.02
7.4.320.0060.00016.73
7.4.300.0060.00016.53
7.4.290.0070.00016.64
7.4.280.0000.00816.64
7.4.270.0000.00616.71
7.4.260.0030.00316.64
7.4.250.0040.00416.69
7.4.240.0030.00416.60
7.4.230.0030.00316.48
7.4.220.0140.00716.71
7.4.210.0120.00316.66
7.4.200.0070.00016.48
7.4.160.0080.00816.45
7.4.150.0090.00917.40
7.4.140.0100.01517.86
7.4.130.0110.00916.69
7.4.120.0080.01116.43
7.4.110.0090.01116.56
7.4.100.0100.00716.58
7.4.90.0110.00616.59
7.4.80.0120.00919.39
7.4.70.0120.00616.41
7.4.60.0090.00916.54
7.4.50.0040.00416.29
7.4.40.0030.01316.59
7.4.30.0110.00716.43
7.4.00.0060.01114.87
7.3.330.0030.00313.21
7.3.320.0020.00212.97
7.3.310.0000.00716.14
7.3.300.0030.00316.14
7.3.290.0090.00616.25
7.3.280.0090.00816.28
7.3.270.0070.01017.40
7.3.260.0120.00616.27
7.3.250.0080.00916.44
7.3.240.0100.00716.29
7.3.230.0130.00916.39
7.3.210.0100.00716.44
7.3.200.0000.01719.39
7.3.190.0120.00916.68
7.3.180.0130.01016.57
7.3.170.0110.00616.39
7.3.160.0030.01216.42
7.3.120.0070.01314.69
7.3.110.0070.01114.64
7.3.100.0030.01314.96
7.3.90.0100.00315.02
7.3.80.0070.00714.94
7.3.70.0060.01014.76
7.3.60.0070.00714.95
7.3.50.0080.00014.73
7.3.40.0030.00914.70
7.3.30.0030.01314.91
7.3.20.0030.00616.73
7.3.10.0070.00416.45
7.3.00.0090.00616.64
7.2.330.0090.00916.48
7.2.320.0030.01416.70
7.2.310.0140.01016.59
7.2.300.0140.00616.54
7.2.290.0100.01316.66
7.2.250.0100.00715.11
7.2.240.0060.01315.06
7.2.230.0070.00715.05
7.2.220.0100.00314.97
7.2.210.0090.00615.05
7.2.200.0060.00614.97
7.2.190.0000.01414.93
7.2.180.0030.01314.88
7.2.170.0000.01615.23
7.1.330.0090.00616.10
7.1.320.0120.00315.64
7.1.310.0030.00616.10
7.1.300.0060.00915.96
7.1.290.0060.00915.95
7.1.280.0070.01015.78
7.1.270.0030.00916.06
7.1.260.0120.00016.06
7.1.100.0090.00318.15
7.1.70.0030.01016.98
7.1.60.0060.01319.32
7.1.50.0190.01634.94
7.1.00.0070.07322.45
7.0.200.0040.00416.86
7.0.140.0030.06722.17
7.0.60.0070.08319.93
7.0.50.0030.04017.92
7.0.40.0070.04320.26
7.0.30.0270.08020.11
7.0.20.0300.07320.21
7.0.10.0130.08020.21
7.0.00.0170.08020.25
5.6.280.0030.07321.04
5.6.210.0070.06020.47
5.6.200.0070.04718.18
5.6.190.0100.06320.61
5.6.180.0270.07020.62
5.6.170.0270.07020.37
5.6.160.0070.08020.49
5.6.150.0070.07318.11
5.6.140.0070.05018.18
5.6.130.0030.06018.13
5.6.120.0100.07721.01
5.6.110.0170.07320.95
5.6.100.0100.08020.96
5.6.90.0030.08720.97
5.6.80.0030.04020.43
5.6.70.4000.03320.35
5.5.350.0170.03720.45
5.5.340.0030.06017.98
5.5.330.0000.04720.21
5.5.320.0330.03720.13
5.5.310.0270.06320.28
5.5.300.0030.08718.02
5.5.290.0030.04018.02
5.5.280.0070.08320.84
5.5.270.0100.07720.88
5.5.260.0030.04720.86
5.5.250.0070.08720.48
5.5.240.0300.06320.17
5.4.450.0630.06719.45
5.4.440.0700.06319.12
5.4.430.0730.06019.24
5.4.420.0830.05019.31
5.4.410.0900.04319.11
5.4.400.1000.06019.00
5.4.390.0700.05318.78
5.4.380.0970.05719.31
5.4.370.0900.05719.14
5.4.360.1370.04319.16
5.4.350.0800.05018.77
5.4.340.0040.03711.97
5.4.320.0070.04612.45
5.4.310.0080.04012.45
5.4.300.0080.03612.45
5.4.290.0070.03712.45
5.4.280.0060.03512.34
5.4.270.0040.03712.34
5.4.260.0050.03812.35
5.4.250.0090.03612.34
5.4.240.0090.03412.35
5.4.230.0080.03512.34
5.4.220.0030.03912.34
5.4.210.0080.03312.34
5.4.200.0080.03612.34
5.4.190.0090.03412.33
5.4.180.0060.03712.33
5.4.170.0030.03912.34
5.4.160.0040.03812.34
5.4.150.0030.03812.34
5.4.140.0070.03712.02
5.4.130.0080.03312.01
5.4.120.0060.03511.97
5.4.110.0060.03511.96
5.4.100.0050.03711.96
5.4.90.0070.03511.96
5.4.80.0040.03811.96
5.4.70.0050.03711.96
5.4.60.0100.03111.96
5.4.50.0070.03711.96
5.4.40.0090.03211.95
5.4.30.0070.03411.95
5.4.20.0090.03211.95
5.4.10.0060.03411.95
5.4.00.0090.03311.43
5.3.290.0110.03712.80
5.3.280.0080.03612.70
5.3.270.0070.03912.72
5.3.260.0090.04812.72
5.3.250.0120.04612.71
5.3.240.0080.03712.72
5.3.230.0050.03812.71
5.3.220.0050.03912.68
5.3.210.0050.04112.68
5.3.200.0070.03612.68
5.3.190.0110.03712.68
5.3.180.0080.03712.67
5.3.170.0070.03612.67
5.3.160.0030.03912.67
5.3.150.0060.03712.68
5.3.140.0040.03912.66
5.3.130.0050.04112.66
5.3.120.0030.04612.66
5.3.110.0050.03912.66
5.3.100.0080.03512.12
5.3.90.0060.03812.08
5.3.80.0080.03412.07
5.3.70.0110.03112.08
5.3.60.0090.03512.07
5.3.50.0060.03812.00
5.3.40.0080.03812.00
5.3.30.0090.03211.95
5.3.20.0080.03811.73
5.3.10.0040.03911.70
5.3.00.0060.04111.68
5.2.170.0070.0289.19
5.2.160.0020.0319.20
5.2.150.0060.0299.19
5.2.140.0050.0319.18
5.2.130.0070.0289.14
5.2.120.0080.0279.14
5.2.110.0050.0339.15
5.2.100.0060.0399.15
5.2.90.0100.0359.15
5.2.80.0060.0329.14
5.2.70.0060.0299.15
5.2.60.0050.0309.10
5.2.50.0080.0269.07
5.2.40.0080.0259.05
5.2.30.0030.0319.02
5.2.20.0070.0299.02
5.2.10.0060.0328.92
5.2.00.0080.0258.78
5.1.60.0050.0228.06
5.1.50.0070.0228.05
5.1.40.0040.0248.04
5.1.30.0010.0298.39
5.1.20.0010.0298.41
5.1.10.0040.0318.14
5.1.00.0050.0268.14
5.0.50.0070.0186.61
5.0.40.0030.0206.47
5.0.30.0040.0346.29
5.0.20.0040.0226.26
5.0.10.0020.0216.23
5.0.00.0040.0306.23
4.4.90.0010.0174.78
4.4.80.0010.0174.75
4.4.70.0030.0154.75
4.4.60.0010.0174.76
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0040.0164.76
4.4.20.0030.0154.84
4.4.10.0040.0154.85
4.4.00.0010.0274.76
4.3.110.0010.0174.67
4.3.100.0030.0144.66
4.3.90.0020.0154.64
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0030.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0254.54
4.3.30.0010.0173.28
4.3.20.0010.0193.26
4.3.10.0020.0163.22
4.3.00.0170.0206.93

preferences:
36.64 ms | 401 KiB | 5 Q