3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/a\/(?!(b|c)).*/'; $directories = array( 'a/a', 'a/b', 'a/c', 'a/d' ); foreach ($directories as $d) { if (preg_match($pattern, $d)) { echo "ok:" . $d . "\n"; } else { echo "ng:" . $d . "\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)
8.3.70.0120.00316.75
8.3.60.0150.01216.88
8.3.50.0100.00816.74
8.3.40.0100.00618.68
8.3.30.0090.00618.97
8.3.20.0040.00421.74
8.3.10.0040.00421.60
8.3.00.0030.00617.84
8.2.180.0150.00618.54
8.2.170.0140.00422.96
8.2.160.0110.00321.37
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00620.35
8.2.120.0040.00426.35
8.2.110.0100.00022.26
8.2.100.0040.00719.89
8.2.90.0000.00819.17
8.2.80.0030.00517.97
8.2.70.0060.00317.61
8.2.60.0050.00317.93
8.2.50.0080.00019.41
8.2.40.0050.00220.55
8.2.30.0000.00819.18
8.2.20.0000.00718.09
8.2.10.0000.00818.00
8.2.00.0060.00318.21
8.1.280.0090.00625.92
8.1.270.0070.00023.95
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0000.01021.14
8.1.230.0040.00819.15
8.1.220.0040.00417.77
8.1.210.0090.00018.77
8.1.200.0060.00317.48
8.1.190.0000.00917.38
8.1.180.0040.00418.10
8.1.170.0030.00518.77
8.1.160.0000.00718.95
8.1.150.0000.00720.21
8.1.140.0040.00419.65
8.1.130.0080.00018.79
8.1.120.0070.00017.66
8.1.110.0040.00417.56
8.1.100.0040.00317.54
8.1.90.0000.00817.57
8.1.80.0000.00717.58
8.1.70.0000.00717.52
8.1.60.0000.00817.76
8.1.50.0040.00417.65
8.1.40.0040.00417.59
8.1.30.0060.00317.68
8.1.20.0050.00317.82
8.1.10.0000.00717.56
8.1.00.0040.00417.58
8.0.300.0000.00720.00
8.0.290.0000.00716.88
8.0.280.0040.00418.50
8.0.270.0070.00017.28
8.0.260.0080.00016.96
8.0.250.0000.00717.09
8.0.240.0050.00317.09
8.0.230.0000.00816.99
8.0.220.0000.00816.95
8.0.210.0070.00017.07
8.0.200.0000.00717.12
8.0.190.0080.00017.00
8.0.180.0040.00417.09
8.0.170.0030.00516.95
8.0.160.0000.00816.95
8.0.150.0040.00416.91
8.0.140.0040.00416.93
8.0.130.0030.00313.49
8.0.120.0070.00016.92
8.0.110.0030.00317.04
8.0.100.0040.00417.10
8.0.90.0000.00716.87
8.0.80.0110.00717.05
8.0.70.0040.00416.87
8.0.60.0000.00817.09
8.0.50.0040.00417.10
8.0.30.0100.00917.37
8.0.20.0110.00717.40
8.0.10.0050.00317.10
8.0.00.0030.01417.00
7.4.330.0050.00015.55
7.4.320.0000.00616.82
7.4.300.0030.00316.67
7.4.290.0030.00716.71
7.4.280.0000.00816.71
7.4.270.0070.00016.63
7.4.260.0000.00513.60
7.4.250.0040.00416.70
7.4.240.0000.00716.73
7.4.230.0030.00316.84
7.4.220.0060.01316.79
7.4.210.0080.00816.66
7.4.200.0030.00516.61
7.4.160.0090.00916.64
7.4.150.0140.00317.40
7.4.140.0060.01317.86
7.4.130.0120.01216.54
7.4.120.0080.01416.77
7.4.110.0070.01116.73
7.4.100.0100.01016.53
7.4.90.0150.00316.61
7.4.80.0080.01619.39
7.4.70.0070.01016.57
7.4.60.0100.00716.52
7.4.50.0090.00616.59
7.4.40.0030.01316.68
7.4.30.0100.00716.71
7.4.00.0030.01314.95
7.3.330.0050.00013.31
7.3.320.0060.00013.25
7.3.310.0040.00416.51
7.3.300.0000.00616.27
7.3.290.0100.00616.44
7.3.280.0090.00916.42
7.3.270.0090.00917.40
7.3.260.0150.00216.47
7.3.250.0100.01016.58
7.3.240.0050.01216.71
7.3.230.0040.01216.42
7.3.210.0130.00316.82
7.3.200.0070.01416.39
7.3.190.0100.00616.36
7.3.180.0110.00616.74
7.3.170.0000.01816.82
7.3.160.0130.00316.85
7.3.120.0090.00515.24
7.3.110.0030.01515.17
7.3.100.0030.01415.22
7.3.90.0100.00315.08
7.3.80.0070.00715.02
7.3.70.0060.00915.00
7.3.60.0000.01514.82
7.3.50.0040.01115.06
7.3.40.0110.00615.07
7.3.30.0030.01014.95
7.3.20.0030.01016.61
7.3.10.0100.00316.91
7.3.00.0060.00816.79
7.2.330.0170.00016.91
7.2.320.0180.00316.78
7.2.310.0090.00816.85
7.2.300.0100.00616.75
7.2.290.0080.01616.79
7.2.250.0040.01515.04
7.2.240.0100.01015.25
7.2.230.0070.01015.27
7.2.220.0110.00315.25
7.2.210.0000.01615.22
7.2.200.0090.00615.19
7.2.190.0030.00915.17
7.2.180.0030.01015.24
7.2.170.0070.01115.22
7.2.130.0060.00917.00
7.2.120.0080.00617.21
7.2.110.0040.01117.05
7.2.100.0000.01516.89
7.2.90.0030.01016.95
7.2.80.0000.01217.18
7.2.70.0100.00316.99
7.2.60.0570.00616.04
7.2.50.0070.01017.14
7.2.40.0080.00417.09
7.2.30.0090.00617.02
7.2.20.0030.00917.15
7.2.10.0110.00017.06
7.2.00.0090.00718.24
7.1.330.0070.00715.84
7.1.320.0110.00316.09
7.1.310.0090.00616.00
7.1.300.0040.01116.03
7.1.290.0030.00916.14
7.1.280.0070.01115.89
7.1.270.0070.00415.68
7.1.260.0030.00715.90
7.1.250.0100.00315.94
7.1.240.0070.00715.71
7.1.230.0080.00415.97
7.1.220.0080.00415.91
7.1.210.0000.01215.89
7.1.200.0070.00515.90
7.1.190.0030.00815.96
7.1.180.0050.00515.90
7.1.170.0090.00615.87
7.1.160.0110.00016.15
7.1.150.0030.01015.82
7.1.140.0040.00815.86
7.1.130.0080.00315.84
7.1.120.0070.00716.14
7.1.110.0050.00516.07
7.1.100.0040.01017.14
7.1.90.0060.00915.95
7.1.80.0070.00715.85
7.1.70.0070.00716.71
7.1.60.0830.01024.65
7.1.50.0330.01324.38
7.1.40.0430.00324.36
7.1.30.0380.00824.30
7.1.20.0380.01024.37
7.1.10.0330.00615.41
7.1.00.0300.01015.37
7.0.330.0070.00715.67
7.0.320.0060.00615.70
7.0.310.0070.00715.65
7.0.300.0040.01115.69
7.0.290.0070.01015.64
7.0.280.0000.01015.23
7.0.270.0060.00615.63
7.0.260.0070.00715.72
7.0.250.0050.00215.44
7.0.240.0090.00615.68
7.0.230.0000.00815.09
7.0.220.0110.00315.58
7.0.210.0060.00915.46
7.0.200.0370.00715.24
7.0.190.0370.00715.30
7.0.180.0330.00315.05
7.0.170.0350.00815.19
7.0.160.0280.01215.20
7.0.150.0390.00215.08
7.0.140.0300.00915.08
7.0.130.0330.00715.26
7.0.120.0310.00715.29
7.0.110.0510.00115.10
7.0.100.0430.00315.17
7.0.90.0300.00915.03
7.0.80.0270.01215.13
7.0.70.0320.00715.23
7.0.60.0380.01315.05
7.0.50.0310.00915.06
7.0.40.0330.00714.12
7.0.30.0300.00814.24
7.0.20.0480.00514.11
7.0.10.0380.01014.19
7.0.00.0450.01114.34
5.6.380.0070.01113.89

preferences:
55.35 ms | 401 KiB | 5 Q