3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export(preg_match('~foo~', 'foo', $string)); var_export(preg_match('~foo~', 'bar', $string)); var_export(preg_match('~foo', 'foo', $string)); if (PREG_NO_ERROR === preg_last_error()) { echo "no error!\n"; }

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)
8.3.40.0150.00019.10
8.3.30.0140.00719.09
8.3.20.0080.00020.33
8.3.10.0080.00023.51
8.3.00.0090.00319.50
8.2.170.0100.01022.96
8.2.160.0070.00720.47
8.2.150.0090.00024.18
8.2.140.0050.00324.66
8.2.130.0150.00326.16
8.2.120.0040.00422.09
8.2.110.0000.00919.17
8.2.100.0140.00017.84
8.2.90.0030.00619.03
8.2.80.0060.00317.97
8.2.70.0060.00617.63
8.2.60.0000.00817.90
8.2.50.0030.00518.07
8.2.40.0000.00817.97
8.2.30.0030.00617.98
8.2.20.0040.00417.61
8.2.10.0050.00318.01
8.2.00.0030.00717.70
8.1.270.0040.01122.02
8.1.260.0070.00326.35
8.1.250.0030.00528.09
8.1.240.0090.00019.45
8.1.230.0080.00319.02
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0000.00817.28
8.1.180.0040.00418.10
8.1.170.0040.00418.70
8.1.160.0060.00322.00
8.1.150.0000.00718.63
8.1.140.0030.00617.37
8.1.130.0030.00517.77
8.1.120.0000.00817.38
8.1.110.0040.00417.36
8.1.100.0070.00017.50
8.1.90.0040.00417.37
8.1.80.0060.00317.52
8.1.70.0030.00317.41
8.1.60.0040.00417.52
8.1.50.0040.00417.45
8.1.40.0020.00517.52
8.1.30.0030.00517.57
8.1.20.0050.00317.62
8.1.10.0030.00517.55
8.1.00.0050.00317.52
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0030.00318.32
8.0.270.0030.00317.05
8.0.260.0000.00717.20
8.0.250.0000.00716.98
8.0.240.0060.00317.02
8.0.230.0000.00716.99
8.0.220.0030.00516.94
8.0.210.0050.00216.85
8.0.200.0000.00717.08
8.0.190.0000.00716.99
8.0.180.0040.00416.98
8.0.170.0050.00316.95
8.0.160.0040.00416.96
8.0.150.0070.00016.79
8.0.140.0000.00716.82
8.0.130.0040.00413.35
8.0.120.0050.00316.98
8.0.110.0040.00416.96
8.0.100.0040.00416.99
8.0.90.0080.00016.78
8.0.80.0160.00617.00
8.0.70.0040.00416.93
8.0.60.0040.00416.96
8.0.50.0050.00216.82
8.0.30.0150.00417.22
8.0.20.0090.01017.40
8.0.10.0040.00417.05
8.0.00.0080.00916.67
7.4.330.0060.00015.05
7.4.320.0000.00916.59
7.4.300.0030.00316.68
7.4.290.0000.00716.62
7.4.280.0090.00016.48
7.4.270.0000.00716.74
7.4.260.0030.00316.56
7.4.250.0000.00816.71
7.4.240.0020.00616.64
7.4.230.0000.00716.81
7.4.220.0110.00716.77
7.4.210.0070.01116.66
7.4.200.0070.00016.75
7.4.190.0030.00516.75
7.4.160.0130.00716.46
7.4.150.0130.00717.40
7.4.140.0080.01017.86
7.4.130.0090.00716.63
7.4.120.0070.01016.62
7.4.110.0150.00916.70
7.4.100.0060.01416.69
7.4.90.0090.00916.57
7.4.80.0180.00319.39
7.4.70.0120.00816.66
7.4.60.0090.00916.61
7.4.50.0050.00016.64
7.4.40.0060.00922.77
7.4.30.0030.01316.63
7.4.00.0070.00715.21
7.3.330.0000.00513.30
7.3.320.0050.00013.32
7.3.310.0000.00716.54
7.3.300.0070.00016.41
7.3.290.0150.00016.35
7.3.280.0120.00416.38
7.3.270.0180.00017.40
7.3.260.0110.00616.56
7.3.250.0120.00916.47
7.3.240.0090.01216.69
7.3.230.0100.00716.59
7.3.210.0080.00916.36
7.3.200.0090.00919.39
7.3.190.0100.01316.73
7.3.180.0030.01616.54
7.3.170.0060.00916.60
7.3.160.0060.01016.53
7.3.120.0070.00714.88
7.3.00.0120.00916.66
7.2.330.0090.00916.59
7.2.320.0070.01116.59
7.2.310.0090.00616.62
7.2.300.0060.01016.80
7.2.290.0060.00916.66
7.2.130.0080.01416.55
7.2.120.0110.01116.99
7.2.110.0120.00816.85
7.2.100.0200.00317.00
7.2.90.0230.00716.98
7.2.80.0190.00317.03
7.2.70.0120.00617.05
7.2.60.0170.00516.89
7.2.50.0160.01116.88
7.2.40.0180.01116.96
7.2.30.0140.01116.96
7.2.20.0190.00916.89
7.2.10.0150.01116.90
7.2.00.0070.01017.99
7.1.250.0090.00615.52
7.1.240.0120.01215.80
7.1.230.0110.00815.98
7.1.220.0140.01015.61
7.1.210.0120.00615.54
7.1.200.0060.00915.83
7.1.190.0150.00316.04
7.1.180.0110.01415.91
7.1.170.0120.00815.63
7.1.160.0090.01415.70
7.1.150.0180.00615.69
7.1.140.0160.01015.97
7.1.130.0070.01415.75
7.1.120.0230.00815.55
7.1.110.0080.01215.64
7.1.100.0110.00817.01
7.1.90.0170.00715.95
7.1.80.0230.00315.90
7.1.70.0130.00616.46
7.1.60.0090.01317.64
7.1.50.0090.01016.39
7.1.40.0100.00715.96
7.1.30.0160.00715.93
7.1.20.0110.00415.70
7.1.10.0080.00815.98
7.1.00.0040.04419.10
7.0.330.0180.00715.29
7.0.320.0110.00915.33
7.0.310.0110.00715.44
7.0.300.0220.00615.54
7.0.290.0030.01415.68
7.0.280.0080.00815.64
7.0.270.0110.00715.25
7.0.260.0130.00615.24
7.0.250.0130.00415.30
7.0.240.0070.01015.64
7.0.230.0110.00515.48
7.0.220.0080.01215.50
7.0.210.0040.01315.70
7.0.200.0100.00615.97
7.0.190.0140.00715.64
7.0.180.0090.01215.19
7.0.170.0040.01115.30
7.0.160.0160.00015.78
7.0.150.0100.01315.64
7.0.140.0080.04718.81
7.0.130.0090.00615.59
7.0.120.0090.00515.44
7.0.110.0100.00715.54
7.0.100.0100.01015.47
7.0.90.0090.00915.36
7.0.80.0070.00715.52
7.0.70.0140.00515.57
7.0.60.0050.03517.84
7.0.50.0050.04616.67
7.0.40.0090.04816.87
7.0.30.0080.05116.84
7.0.20.0180.04316.91
7.0.10.0070.04216.68
7.0.00.0150.04316.89
5.6.380.0170.00914.16
5.6.370.0090.01314.66
5.6.360.0140.00414.54
5.6.350.0080.01214.37
5.6.340.0130.00314.54
5.6.330.0070.01114.34
5.6.320.0120.00814.14
5.6.310.0150.00614.51
5.6.300.0070.01014.21
5.6.290.0130.00614.12
5.6.280.0130.03317.72
5.6.270.0070.01014.20
5.6.260.0090.00414.41
5.6.250.0110.00714.09
5.6.240.0080.00814.68
5.6.230.0110.00414.45
5.6.220.0120.00414.23
5.6.210.0110.03517.38
5.6.200.0120.04316.19
5.6.190.0080.05417.43
5.6.180.0310.03517.37
5.6.170.0170.03117.53
5.6.160.0070.03417.32
5.6.150.0110.03516.32
5.6.140.0050.04816.26
5.6.130.0150.02316.18
5.6.120.0140.04517.72
5.6.110.0100.04517.82
5.6.100.0110.02717.66
5.6.90.0060.03317.54
5.6.80.0030.04617.30
5.6.70.2270.02417.51
5.6.60.0130.01114.17
5.6.50.0170.00514.39
5.6.40.0030.01314.27
5.6.30.0070.00714.04
5.6.20.0140.00414.23
5.6.10.0100.00613.97
5.6.00.0080.00814.18
5.5.380.0030.00711.14
5.5.370.0050.00911.16
5.5.360.0000.01211.25
5.5.350.0100.04315.75
5.5.340.0070.03914.53
5.5.330.0050.04115.58
5.5.320.0120.02415.45
5.5.310.0230.03815.69
5.5.300.0130.04414.54
5.5.290.0070.02014.60
5.5.280.0070.04615.76
5.5.270.0120.01815.97
5.5.260.0050.02915.83
5.5.250.0070.04215.64
5.5.240.0190.03715.53
5.5.230.0240.00011.07
5.5.220.0040.00811.18
5.5.210.0140.00611.01
5.5.200.0030.00610.97
5.5.190.0090.00311.20
5.5.180.0090.01410.67
5.5.170.0110.00410.84
5.5.160.0070.00710.91
5.5.150.0050.00811.11
5.5.140.0030.00910.88
5.5.130.0120.00010.91
5.5.120.0160.00311.09
5.5.110.0100.00710.77
5.5.100.0000.01010.78
5.5.90.0030.00710.89
5.5.80.0080.00510.66
5.5.70.0060.00611.11
5.5.60.0120.00811.11
5.5.50.0140.00411.02
5.5.40.0060.00310.81
5.5.30.0050.00311.00
5.5.20.0210.00711.10
5.5.10.0150.00610.81
5.5.00.0070.00711.08
5.4.450.0400.03714.97
5.4.440.0420.02815.24
5.4.430.0400.04615.25
5.4.420.0080.03015.17
5.4.410.0110.03015.30
5.4.400.0150.03015.07
5.4.390.0190.03215.04
5.4.380.0200.02814.74
5.4.370.0230.03914.65
5.4.360.0200.02814.56
5.4.350.0220.02514.64
5.4.340.0220.03114.83
5.4.330.0070.00710.96
5.4.320.0040.02511.50
5.4.310.0100.01911.65
5.4.300.0070.02011.38
5.4.290.0050.02811.55
5.4.280.0180.02411.58
5.4.270.0070.02711.66
5.4.260.0100.02811.69
5.4.250.0090.02911.68
5.4.240.0060.03111.57
5.4.230.0130.02811.50
5.4.220.0050.03211.58
5.4.210.0080.03011.58
5.4.200.0120.02711.51
5.4.190.0150.02611.54
5.4.180.0120.02311.51
5.4.170.0090.02911.56
5.4.160.0130.02811.57
5.4.150.0110.02511.54
5.4.140.0130.03111.37
5.4.130.0090.02811.28
5.4.120.0100.02911.29
5.4.110.0070.03211.43
5.4.100.0170.02311.40
5.4.90.0060.03211.44
5.4.80.0140.03311.49
5.4.70.0130.02911.33
5.4.60.0120.02711.47
5.4.50.0090.02911.35
5.4.40.0120.02911.31
5.4.30.0110.02611.37
5.4.20.0070.02911.41
5.4.10.0090.02711.38
5.4.00.0110.02611.16
5.3.290.0070.02511.69
5.3.280.0100.02711.53
5.3.270.0080.03111.61
5.3.260.0100.02911.61
5.3.250.0060.03111.49
5.3.240.0080.03011.42
5.3.230.0170.02211.43
5.3.220.0030.03411.40
5.3.210.0130.02611.46
5.3.200.0090.02611.52
5.3.190.0090.02911.59
5.3.180.0110.02511.53
5.3.170.0090.02711.69
5.3.160.0100.02611.70
5.3.150.0060.03211.55
5.3.140.0080.02911.60
5.3.130.0040.03211.47
5.3.120.0070.03011.62
5.3.110.0130.02811.54
5.3.100.0120.02611.29
5.3.90.0100.02711.29
5.3.80.0090.02611.25
5.3.70.0160.02511.16
5.3.60.0190.02011.29
5.3.50.0100.02811.20
5.3.40.0110.02811.19
5.3.30.0100.02411.09
5.3.20.0100.02911.06
5.3.10.0060.02910.98
5.3.00.0120.02810.87
5.2.170.0060.0269.31
5.2.160.0070.0269.32
5.2.150.0140.0219.25
5.2.140.0090.0249.35
5.2.130.0090.0219.13
5.2.120.0070.0209.28
5.2.110.0070.0229.18
5.2.100.0090.0239.31
5.2.90.0080.0229.25
5.2.80.0100.0229.09
5.2.70.0090.0249.24
5.2.60.0080.0169.16
5.2.50.0050.0189.19
5.2.40.0070.0179.06
5.2.30.0050.0229.03
5.2.20.0050.0209.10
5.2.10.0070.0209.00
5.2.00.0090.0198.74
5.1.60.0080.0218.19
5.1.50.0110.0168.18
5.1.40.0090.0138.18
5.1.30.0070.0168.47
5.1.20.0120.0208.45
5.1.10.0070.0168.34
5.1.00.0080.0198.23
5.0.50.0070.0117.46
5.0.40.0060.0157.39
5.0.30.0050.0227.30
5.0.20.0050.0157.29
5.0.10.0030.0157.27
5.0.00.0040.0247.27
4.4.90.0030.0106.55
4.4.80.0040.0136.54
4.4.70.0030.0146.54
4.4.60.0060.0116.54
4.4.50.0050.0126.55
4.4.40.0090.0166.52
4.4.30.0030.0116.54
4.4.20.0040.0126.59
4.4.10.0040.0136.59
4.4.00.0050.0176.54
4.3.110.0080.0106.50
4.3.100.0040.0156.50
4.3.90.0070.0136.48
4.3.80.0040.0176.46
4.3.70.0070.0106.48
4.3.60.0040.0136.48
4.3.50.0030.0156.48
4.3.40.0090.0166.43
4.3.30.0050.0125.80
4.3.20.0030.0125.79
4.3.10.0040.0125.77
4.3.00.0070.0198.06

preferences:
41.64 ms | 400 KiB | 5 Q