3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = str_repeat('a', 5431); $res = preg_match('~(a)*~', $subject); if ($res > 0) { echo 'match', PHP_EOL; } elseif ($res === 0) { echo 'no match', PHP_EOL; } else { echo 'preg_match error ', preg_last_error(), PHP_EOL; }

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)
8.4.120.0100.01120.50
8.4.110.0140.00320.86
8.4.100.0130.00818.08
8.4.90.0060.00418.08
8.4.80.0120.00518.04
8.4.70.0110.00917.99
8.4.60.0140.00718.75
8.4.50.0120.00617.87
8.4.40.0150.00624.24
8.4.30.0160.00722.67
8.4.20.0120.00917.76
8.4.10.0100.00019.90
8.3.250.0110.00818.86
8.3.240.0060.00416.70
8.3.230.0130.00616.94
8.3.220.0090.00317.05
8.3.210.0080.01016.69
8.3.200.0040.00516.95
8.3.190.0070.01117.25
8.3.180.0080.00716.97
8.3.170.0140.00416.65
8.3.160.0040.01116.89
8.3.150.0090.00918.93
8.3.140.0050.00316.62
8.3.130.0050.00318.68
8.3.120.0140.00420.75
8.3.110.0030.00720.94
8.3.100.0050.00324.06
8.3.90.0110.00426.77
8.3.80.0070.00317.97
8.3.70.0110.00716.88
8.3.60.0110.00717.00
8.3.50.0130.00722.91
8.3.40.0100.00618.74
8.3.30.0090.00619.05
8.3.20.0000.00821.92
8.3.10.0040.00421.85
8.3.00.0080.00019.85
8.2.290.0120.00720.29
8.2.280.0110.00918.50
8.2.270.0060.01318.84
8.2.260.0030.00619.23
8.2.250.0040.01118.57
8.2.240.0130.00619.25
8.2.230.0030.00622.58
8.2.220.0080.00037.54
8.2.210.0120.00626.77
8.2.200.0040.00418.54
8.2.190.0070.00718.74
8.2.180.0070.00716.63
8.2.170.0070.01022.96
8.2.160.0070.00720.56
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00022.52
8.2.120.0040.00426.35
8.2.110.0070.00320.60
8.2.100.0080.00418.34
8.2.90.0080.00019.36
8.2.80.0080.00017.97
8.2.70.0030.00618.00
8.2.60.0040.00718.05
8.2.50.0060.00318.10
8.2.40.0060.00322.39
8.2.30.0050.00219.29
8.2.20.0000.00717.89
8.2.10.0000.00718.24
8.2.00.0040.00418.00
8.1.330.0100.00718.39
8.1.320.0140.00616.21
8.1.310.0070.00316.91
8.1.300.0100.00716.65
8.1.290.0060.00330.84
8.1.280.0110.01125.92
8.1.270.0080.00024.09
8.1.260.0050.00328.09
8.1.250.0070.00028.09
8.1.240.0000.00921.05
8.1.230.0110.00021.16
8.1.220.0030.00617.75
8.1.210.0040.00418.77
8.1.200.0050.00617.48
8.1.190.0060.00317.35
8.1.180.0000.00818.10
8.1.170.0060.00618.63
8.1.160.0040.00422.27
8.1.150.0080.00321.03
8.1.140.0080.00319.71
8.1.130.0030.00317.78
8.1.120.0020.00517.66
8.1.110.0040.00417.63
8.1.100.0040.00417.66
8.1.90.0030.00617.69
8.1.80.0000.00817.63
8.1.70.0050.00217.53
8.1.60.0030.00617.78
8.1.50.0000.01417.52
8.1.40.0030.00517.61
8.1.30.0080.00017.91
8.1.20.0030.00517.82
8.1.10.0030.00517.84
8.1.00.0050.00317.76
8.0.300.0060.00318.77
8.0.290.0000.00716.88
8.0.280.0030.00318.51
8.0.270.0070.00017.50
8.0.260.0030.00317.38
8.0.250.0030.00317.12
8.0.240.0000.00717.12
8.0.230.0080.00017.11
8.0.220.0070.00017.06
8.0.210.0040.00417.11
8.0.200.0070.00017.14
8.0.190.0000.00817.21
8.0.180.0000.00717.09
8.0.170.0040.00417.00
8.0.160.0000.00717.16
8.0.150.0000.00717.01
8.0.140.0020.00516.98
8.0.130.0000.00813.50
8.0.120.0030.00617.09
8.0.110.0040.00417.00
8.0.100.0040.00416.90
8.0.90.0070.00017.11
8.0.80.0060.01317.04
8.0.70.0030.00516.98
8.0.60.0040.00416.98
8.0.50.0040.00416.95
8.0.30.0130.00617.22
8.0.20.0140.00817.40
8.0.10.0040.00417.31
8.0.00.0030.01317.10
7.4.330.0050.00015.08
7.4.320.0000.00616.72
7.4.300.0000.00616.80
7.4.290.0070.00016.76
7.4.280.0040.00416.75
7.4.270.0000.00616.76
7.4.260.0080.00016.74
7.4.250.0040.00416.84
7.4.240.0080.00016.84
7.4.230.0070.00016.98
7.4.220.0140.00416.74
7.4.210.0040.01116.66
7.4.200.0040.00416.87
7.4.160.0040.01116.75
7.4.150.0140.00417.40
7.4.140.0120.00517.86
7.4.130.0120.00416.74
7.4.120.0110.00616.80
7.4.110.0110.00616.57
7.4.100.0120.01216.80
7.4.90.0070.01016.69
7.4.80.0130.00319.39
7.4.70.0030.01316.81
7.4.60.0070.01016.79
7.4.50.0070.01016.74
7.4.40.0080.00816.80
7.4.30.0130.01016.85
7.4.00.0080.00915.35
7.3.330.0030.00313.37
7.3.320.0000.00513.30
7.3.310.0000.00716.30
7.3.300.0030.00316.49
7.3.290.0080.00816.51
7.3.280.0070.01416.46
7.3.270.0030.01417.40
7.3.260.0100.01016.54
7.3.250.0090.00916.58
7.3.240.0080.00916.51
7.3.230.0130.00316.61
7.3.210.0110.01116.72
7.3.200.0160.00016.77
7.3.190.0070.01016.98
7.3.180.0070.01416.45
7.3.170.0150.00616.82
7.3.160.0120.00916.56
7.3.120.0090.00915.22
7.3.110.0100.00315.07
7.3.100.0040.01215.09
7.3.90.0100.00314.95
7.3.80.0090.00615.09
7.3.70.0040.01115.25
7.3.60.0070.00714.80
7.3.50.0060.00615.18
7.3.40.0060.00914.82
7.3.30.0040.00814.95
7.3.20.0120.00016.68
7.3.10.0020.01316.72
7.3.00.0050.01016.65
7.2.330.0110.00616.75
7.2.320.0120.00416.78
7.2.310.0070.01016.86
7.2.300.0160.00616.83
7.2.290.0030.01316.73
7.2.250.0070.01115.30
7.2.240.0040.01815.13
7.2.230.0070.01014.98
7.2.220.0100.00315.04
7.2.210.0040.01215.33
7.2.200.0110.00415.39
7.2.190.0090.00615.16
7.2.180.0100.00714.98
7.2.170.0030.00915.20
7.2.130.0080.00817.12
7.2.120.0040.01017.10
7.2.110.0100.00716.95
7.2.100.0130.00216.95
7.2.90.0060.00917.21
7.2.80.0040.01116.87
7.2.70.0120.00517.07
7.2.60.0080.00716.95
7.2.50.0030.01017.03
7.2.40.0040.00817.08
7.2.30.0140.00316.79
7.2.20.0130.00316.90
7.2.10.0080.00616.95
7.2.00.0030.00817.81
7.1.330.0060.01016.04
7.1.320.0060.00616.15
7.1.310.0070.00715.80
7.1.300.0030.00915.66
7.1.290.0100.00616.28
7.1.280.0030.00615.97
7.1.270.0070.01015.94
7.1.260.0080.00815.97
7.1.250.0070.00616.05
7.1.240.0040.00415.89
7.1.230.0000.01215.80
7.1.220.0040.00415.82
7.1.210.0080.00015.85
7.1.200.0060.00515.93
7.1.190.0080.00016.07
7.1.180.0100.00315.77
7.1.170.0000.01316.03
7.1.160.0090.00315.88
7.1.150.0030.00916.15
7.1.140.0000.01015.78
7.1.130.0030.00815.72
7.1.120.0110.00416.02
7.1.110.0060.00916.15
7.1.100.0050.00917.14
7.1.90.0030.00715.96
7.1.80.0100.00316.07
7.1.70.0100.00416.56
7.1.60.0040.00617.81
7.1.50.0060.01116.58
7.1.40.0070.00716.09
7.1.30.0080.00015.92
7.1.20.0080.00815.80
7.1.10.0040.00415.96
7.1.00.0100.03819.22
7.0.330.0080.00315.42
7.0.320.0030.00615.62
7.0.310.0070.01015.52
7.0.300.0060.00315.37
7.0.290.0070.00715.69
7.0.280.0100.00015.58
7.0.270.0060.00615.68
7.0.260.0000.00915.73
7.0.250.0000.01315.31
7.0.240.0120.00015.59
7.0.230.0030.00715.32
7.0.220.0060.00615.73
7.0.210.0000.01115.73
7.0.200.0080.00515.10
7.0.190.0070.00715.40
7.0.180.0040.00715.45
7.0.170.0090.00315.64
7.0.160.0090.00315.34
7.0.150.0030.00615.43
7.0.140.0000.00815.39
7.0.130.0030.00615.61
7.0.120.0090.00615.78
7.0.110.0000.00715.30
7.0.100.0030.01015.50
7.0.90.0380.00317.74
7.0.80.1340.00417.90
7.0.70.0350.00317.84
7.0.60.0370.00517.72
7.0.50.0370.00517.87
7.0.40.0400.00316.92
7.0.30.0400.00216.96
7.0.20.0420.00216.99
7.0.10.0370.00416.95
7.0.00.0400.00316.89
5.6.380.0070.01019.70
5.6.370.0060.01120.07
5.6.360.0080.00819.59
5.6.350.0090.00619.43
5.6.340.0040.00920.13
5.6.330.0160.00019.69
5.6.320.0100.00320.12
5.6.310.0120.00319.75
5.6.300.0130.00619.74
5.6.290.0100.00519.46
5.6.280.0100.00519.65
5.6.270.0030.01919.57
5.6.260.0110.01119.75
5.6.250.0080.00819.81
5.6.240.0450.00622.88
5.6.230.0470.00322.85
5.6.220.0420.00523.07
5.6.210.0420.00622.88
5.6.200.0410.00223.04
5.6.190.0420.00222.97
5.6.180.0480.00323.01
5.6.170.0450.00723.01
5.6.160.0410.00423.10
5.6.150.0390.00423.21
5.6.140.0420.00522.99
5.6.130.0410.00422.97
5.6.120.0470.00323.02
5.6.110.0440.00123.09
5.6.100.0450.00623.14
5.6.90.0410.00323.24
5.6.80.0490.00122.88
5.6.70.0400.00822.80
5.6.60.0390.00222.81
5.6.50.0440.00022.70
5.6.40.0450.00222.85
5.6.30.0420.00322.66
5.6.20.0370.00422.74
5.6.10.0520.00422.71
5.6.00.0460.00222.73

preferences:
30 ms | 403 KiB | 5 Q