3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '|a/(?!b).*|'; $directories = array( 'a/a', 'a/b', 'a/c', 'a/d' ); foreach ($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)
8.3.70.0090.00616.59
8.3.60.0090.00916.75
8.3.50.0130.00516.61
8.3.40.0100.00718.82
8.3.30.0120.00419.02
8.3.20.0070.00021.76
8.3.10.0050.00323.65
8.3.00.0080.00318.03
8.2.190.0140.00717.00
8.2.180.0090.00918.54
8.2.170.0130.00622.96
8.2.160.0100.00321.31
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00420.43
8.2.120.0000.00826.35
8.2.110.0000.00922.24
8.2.100.0070.00419.76
8.2.90.0040.00419.24
8.2.80.0080.00017.97
8.2.70.0030.00617.62
8.2.60.0000.00818.05
8.2.50.0030.00619.21
8.2.40.0070.00020.50
8.2.30.0040.00419.30
8.2.20.0050.00318.01
8.2.10.0070.00018.09
8.2.00.0040.00418.14
8.1.280.0090.00625.92
8.1.270.0080.00023.82
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00720.96
8.1.230.0070.00419.09
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.50
8.1.190.0060.00317.38
8.1.180.0050.00318.10
8.1.170.0060.00318.70
8.1.160.0030.00518.85
8.1.150.0000.00820.09
8.1.140.0040.00419.48
8.1.130.0030.00518.92
8.1.120.0030.00317.55
8.1.110.0030.00617.59
8.1.100.0030.00317.52
8.1.90.0050.00517.60
8.1.80.0000.00717.59
8.1.70.0030.00317.61
8.1.60.0040.00417.70
8.1.50.0040.00417.59
8.1.40.0000.00817.58
8.1.30.0000.00817.80
8.1.20.0040.00417.64
8.1.10.0030.00617.66
8.1.00.0000.00717.49
8.0.300.0000.00720.21
8.0.290.0080.00016.75
8.0.280.0030.00318.39
8.0.270.0000.00717.21
8.0.260.0030.00316.84
8.0.250.0030.00317.14
8.0.240.0040.00417.09
8.0.230.0030.00717.11
8.0.220.0000.00717.08
8.0.210.0000.00717.05
8.0.200.0000.00617.11
8.0.190.0040.00417.08
8.0.180.0040.00417.10
8.0.170.0030.00517.05
8.0.160.0030.00317.03
8.0.150.0000.00716.94
8.0.140.0000.00817.06
8.0.130.0030.00313.49
8.0.120.0030.00516.90
8.0.110.0040.00317.01
8.0.100.0030.00516.83
8.0.90.0000.00716.98
8.0.80.0090.00617.08
8.0.70.0050.00316.90
8.0.60.0030.00517.11
8.0.50.0040.00417.07
8.0.30.0090.00917.17
8.0.20.0100.01117.40
8.0.10.0040.00416.95
8.0.00.0060.01117.00
7.4.330.0050.00015.55
7.4.320.0000.00616.74
7.4.300.0070.00016.71
7.4.290.0040.00716.73
7.4.280.0000.00816.82
7.4.270.0050.00316.86
7.4.260.0030.00313.46
7.4.250.0000.00816.57
7.4.240.0030.00616.82
7.4.230.0000.00716.80
7.4.220.0170.00316.81
7.4.210.0120.00916.64
7.4.200.0070.00016.84
7.4.160.0090.00616.60
7.4.150.0130.01017.40
7.4.140.0080.00917.86
7.4.130.0100.01016.55
7.4.120.0090.01216.75
7.4.110.0090.00916.78
7.4.100.0100.00716.76
7.4.90.0110.00616.76
7.4.80.0060.01219.39
7.4.70.0090.01216.52
7.4.60.0100.00616.77
7.4.50.0000.01416.56
7.4.40.0100.00616.64
7.4.30.0070.01016.63
7.4.00.0060.01015.00
7.3.330.0030.00313.17
7.3.320.0030.00313.27
7.3.310.0030.00316.50
7.3.300.0000.00716.49
7.3.290.0060.01016.46
7.3.280.0090.00816.42
7.3.270.0070.01717.40
7.3.260.0130.00516.59
7.3.250.0150.00616.68
7.3.240.0100.00716.58
7.3.230.0060.01216.48
7.3.210.0170.00016.52
7.3.200.0150.00316.79
7.3.190.0060.01016.46
7.3.180.0130.01016.32
7.3.170.0050.01416.73
7.3.160.0120.00416.34
7.3.120.0030.01314.96
7.3.110.0100.00614.96
7.3.100.0060.01115.31
7.3.90.0040.00714.89
7.3.80.0070.00715.28
7.3.70.0060.00614.89
7.3.60.0070.01014.82
7.3.50.0080.00415.05
7.3.40.0130.00014.99
7.3.30.0070.01114.87
7.3.20.0030.00616.88
7.3.10.0040.00816.60
7.3.00.0030.00716.70
7.2.330.0100.00716.60
7.2.320.0100.00716.72
7.2.310.0140.00316.71
7.2.300.0060.00916.84
7.2.290.0130.00416.78
7.2.250.0060.01315.36
7.2.240.0030.01415.41
7.2.230.0070.00715.07
7.2.220.0040.00715.01
7.2.210.0000.00914.99
7.2.200.0090.00315.13
7.2.190.0060.00315.37
7.2.180.0000.01315.17
7.2.170.0060.00915.21
7.2.60.0060.00917.17
7.1.330.0060.01016.03
7.1.320.0100.00316.04
7.1.310.0000.01515.85
7.1.300.0080.00015.98
7.1.290.0090.00315.95
7.1.280.0030.01015.99
7.1.270.0030.00816.03
7.1.260.0000.01116.13
7.1.200.0130.00715.95
7.1.70.0050.00317.07
7.1.60.0700.00733.56
7.1.50.0800.00333.32
7.1.40.0670.01332.73
7.1.30.0870.01332.79
7.1.20.0700.01033.00
7.1.10.0570.00314.80
7.1.00.0730.01315.07
7.0.200.0930.00715.00
7.0.190.0930.01015.14
7.0.180.0900.00714.63
7.0.170.0700.01314.57
7.0.160.0530.01014.56
7.0.150.0600.01014.48
7.0.140.0630.01314.59
7.0.130.0530.01314.98
7.0.120.0630.00314.77
7.0.110.0470.01014.80
7.0.100.0500.01014.87
7.0.90.0530.01314.81
7.0.80.0530.01714.82
7.0.70.0470.01314.75
7.0.60.0470.01014.52
7.0.50.0970.01014.87
7.0.40.0630.00014.75
7.0.30.0500.01014.75
7.0.20.0500.01014.81
7.0.10.0530.01014.71
7.0.00.0970.01314.76

preferences:
17.71 ms | 401 KiB | 5 Q