3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^/', 'foo', $m)); var_dump($m); var_dump(preg_match('/\s*/', 'foo', $m)); var_dump($m); var_dump(preg_match('/\w+/', 'foo', $m)); var_dump($m); var_dump(preg_match('/$/', 'foo', $m)); var_dump($m);

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)
8.3.60.0040.01118.56
8.3.50.0140.00723.01
8.3.40.0000.01518.83
8.3.30.0140.00018.70
8.3.20.0080.00019.95
8.3.10.0000.00823.53
8.3.00.0000.00819.79
8.2.180.0100.01018.14
8.2.170.0090.00622.96
8.2.160.0070.00721.09
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0070.00026.16
8.2.120.0040.01121.19
8.2.110.0090.00019.33
8.2.100.0090.00317.78
8.2.90.0050.00322.30
8.2.80.0000.00917.97
8.2.70.0060.00317.80
8.2.60.0000.00817.97
8.2.50.0040.00418.10
8.2.40.0000.00822.31
8.2.30.0000.00719.10
8.2.20.0040.00417.64
8.2.10.0070.00017.85
8.2.00.0040.00417.84
8.1.280.0080.00825.92
8.1.270.0100.00723.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00019.17
8.1.230.0060.00620.98
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.35
8.1.180.0000.00918.10
8.1.170.0000.00818.62
8.1.160.0070.00022.22
8.1.150.0070.00020.91
8.1.140.0050.00319.54
8.1.130.0050.00217.61
8.1.120.0000.00717.57
8.1.110.0050.00317.48
8.1.100.0070.00017.38
8.1.90.0060.00317.35
8.1.80.0000.00717.51
8.1.70.0040.00417.38
8.1.60.0050.00317.63
8.1.50.0030.00517.42
8.1.40.0030.00517.53
8.1.30.0080.00017.65
8.1.20.0040.00417.65
8.1.10.0000.00717.52
8.1.00.0050.00317.40
8.0.300.0030.00519.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0030.00317.22
8.0.260.0000.00817.22
8.0.250.0000.00717.02
8.0.240.0000.00816.98
8.0.230.0030.00316.88
8.0.220.0000.00816.91
8.0.210.0040.00416.90
8.0.200.0000.00816.88
8.0.190.0070.00317.00
8.0.180.0040.00416.94
8.0.170.0040.00416.84
8.0.160.0050.00216.92
8.0.150.0000.00716.81
8.0.140.0070.00016.90
8.0.130.0050.00013.36
8.0.120.0040.00416.90
8.0.110.0040.00316.93
8.0.100.0000.00716.83
8.0.90.0050.00217.02
8.0.80.0120.00316.84
8.0.70.0000.00717.04
8.0.60.0000.00716.89
8.0.50.0020.00516.90
8.0.30.0100.01017.32
8.0.20.0120.00917.40
8.0.10.0000.00816.93
8.0.00.0150.00616.79
7.4.330.0050.00015.08
7.4.320.0030.00316.75
7.4.300.0030.00316.61
7.4.290.0070.00016.52
7.4.280.0030.00716.66
7.4.270.0030.00316.67
7.4.260.0070.00016.58
7.4.250.0000.00716.64
7.4.240.0070.00016.46
7.4.230.0000.00816.61
7.4.220.0120.00616.53
7.4.210.0100.01316.55
7.4.200.0000.00816.76
7.4.160.0070.00916.41
7.4.150.0170.00717.40
7.4.140.0120.00917.86
7.4.130.0070.01116.67
7.4.120.0100.00816.54
7.4.110.0200.00316.66
7.4.100.0090.00916.77
7.4.90.0060.01216.48
7.4.80.0130.00319.39
7.4.70.0080.00816.56
7.4.60.0100.00716.50
7.4.50.0000.01816.33
7.4.40.0130.00516.41
7.4.30.0070.01316.58
7.4.00.0070.00715.09
7.3.330.0000.00513.14
7.3.320.0060.00013.19
7.3.310.0070.00016.27
7.3.300.0000.00716.36
7.3.290.0020.01216.33
7.3.280.0100.01016.27
7.3.270.0090.00917.40
7.3.260.0050.01816.44
7.3.250.0110.00716.38
7.3.240.0090.00916.52
7.3.230.0170.00316.58
7.3.210.0100.01016.66
7.3.200.0070.01016.44
7.3.190.0070.01116.31
7.3.180.0120.00616.47
7.3.170.0140.00816.63
7.3.160.0110.00616.69
7.3.10.0000.01616.75
7.3.00.0060.00916.55
7.2.330.0070.01016.47
7.2.320.0110.00616.69
7.2.310.0070.01116.61
7.2.300.0110.00716.66
7.2.290.0120.01516.61
7.2.130.0040.01216.88
7.2.120.0060.00616.73
7.2.110.0080.00317.04
7.2.100.0060.00916.90
7.2.90.0000.01116.99
7.2.80.0120.00417.16
7.2.70.0090.00316.83
7.2.60.0050.01016.71
7.2.50.0090.00616.78
7.2.40.0070.00716.80
7.2.30.0110.00316.82
7.2.20.0090.00916.85
7.2.10.0000.01516.83
7.2.00.0050.00918.30
7.1.250.0070.00715.83
7.1.240.0100.00315.90
7.1.230.0060.00915.75
7.1.220.0120.00615.86
7.1.210.0070.01015.85
7.1.200.0060.00615.92
7.1.190.0060.00915.92
7.1.180.0000.01116.05
7.1.170.0070.00716.07
7.1.160.0040.00715.88
7.1.150.0040.01215.96
7.1.140.0060.00615.96
7.1.130.0070.00715.87
7.1.120.0130.00315.91
7.1.110.0030.00915.92
7.1.100.0080.00516.10
7.1.90.0040.00916.03
7.1.80.0040.00815.64
7.1.70.0030.00616.68
7.1.60.0070.00517.69
7.1.50.0000.01415.83
7.1.40.0120.00315.98
7.1.30.0070.00715.94
7.1.20.0040.01115.89
7.1.10.0030.01415.85
7.1.00.0060.04219.21
7.0.330.0140.00015.40
7.0.320.0030.01315.40
7.0.310.0000.01315.68
7.0.300.0060.00615.44
7.0.290.0000.01115.20
7.0.280.0030.01015.45
7.0.270.0070.00715.38
7.0.260.0100.00315.26
7.0.250.0060.00615.69
7.0.240.0000.01315.52
7.0.230.0070.00315.59
7.0.220.0060.00615.61
7.0.210.0060.00615.52
7.0.200.0080.00615.00
7.0.190.0150.00015.63
7.0.180.0080.00015.40
7.0.170.0030.00715.56
7.0.160.0030.01015.37
7.0.150.0040.01115.61
7.0.140.0130.00015.69
7.0.130.0030.00615.24
7.0.120.0070.00715.59
7.0.110.0000.01515.72
7.0.100.0060.00615.54
7.0.90.0390.00317.73
7.0.80.4170.00417.75
7.0.70.4210.00017.65
7.0.60.2950.00217.62
7.0.50.3120.00317.91
7.0.40.0470.00517.05
7.0.30.2340.00217.11
7.0.20.2300.00716.95
7.0.10.2700.00316.99
7.0.00.1170.00417.03
5.6.380.0090.00013.96
5.6.370.0070.00714.34
5.6.360.0080.00414.13
5.6.350.0060.00913.97
5.6.340.0000.01314.30
5.6.330.0030.01214.41
5.6.320.0090.00014.33
5.6.310.0070.00714.07
5.6.300.0100.00314.43
5.6.290.0100.00313.79
5.6.280.0110.00414.15
5.6.270.0100.00314.32
5.6.260.0040.00414.31
5.6.250.0080.00614.27
5.6.240.0420.00717.44
5.6.230.0450.00017.47
5.6.220.0500.00317.29
5.6.210.0430.00317.40
5.6.200.0480.00617.47
5.6.190.0480.00217.69
5.6.180.0430.00317.57
5.6.170.0430.00317.67
5.6.160.0470.00517.61
5.6.150.0390.00617.66
5.6.140.0400.00817.70
5.6.130.0420.00517.66
5.6.120.0470.00417.77
5.6.110.0460.00417.63
5.6.100.0390.00417.56
5.6.90.0390.00417.74
5.6.80.0370.00517.20
5.6.70.0320.00517.33
5.6.60.0400.00517.30
5.6.50.0380.00717.26
5.6.40.0470.00517.17
5.6.30.0510.00317.29
5.6.20.0380.00517.21
5.6.10.0450.00617.32
5.6.00.0350.00717.17

preferences:
64.34 ms | 401 KiB | 5 Q