3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "/^[\pL\pM]+$/u"; $pattern = '/^def/'; preg_match($pattern, $subject, $matches, PREG_OFFSET_CAPTURE, 3); print_r($matches); ?>

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)
8.3.60.0140.00718.68
8.3.50.0090.00521.99
8.3.40.0070.00718.97
8.3.30.0070.01418.71
8.3.20.0050.00320.16
8.3.10.0000.00823.61
8.3.00.0040.00419.05
8.2.180.0180.00416.50
8.2.170.0030.01022.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00420.73
8.2.110.0040.00819.38
8.2.100.0110.00017.91
8.2.90.0080.00018.03
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0040.00419.88
8.2.30.0030.00618.07
8.2.20.0000.00817.74
8.2.10.0000.00817.88
8.2.00.0000.00717.75
8.1.280.0070.01125.92
8.1.270.0030.00522.20
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00022.38
8.1.230.0060.00620.88
8.1.220.0090.00017.74
8.1.210.0030.00518.90
8.1.200.0030.00617.48
8.1.190.0040.00417.25
8.1.180.0000.00718.10
8.1.170.0040.00818.59
8.1.160.0040.00421.88
8.1.150.0000.00718.75
8.1.140.0000.00717.50
8.1.130.0000.00717.87
8.1.120.0030.00317.53
8.1.110.0030.00617.58
8.1.100.0070.00017.52
8.1.90.0030.00617.54
8.1.80.0040.00417.54
8.1.70.0070.00017.41
8.1.60.0060.00317.53
8.1.50.0080.00017.60
8.1.40.0040.00417.64
8.1.30.0040.00417.64
8.1.20.0000.00817.73
8.1.10.0040.00417.63
8.1.00.0080.00417.64
8.0.300.0000.00720.09
8.0.290.0030.00317.05
8.0.280.0030.00318.40
8.0.270.0000.00717.20
8.0.260.0000.00617.11
8.0.250.0030.00316.91
8.0.240.0000.00716.91
8.0.230.0030.00316.93
8.0.220.0070.00016.85
8.0.210.0070.00016.87
8.0.200.0000.00616.91
8.0.190.0000.00817.03
8.0.180.0030.00316.86
8.0.170.0050.00317.02
8.0.160.0050.00316.90
8.0.150.0000.00816.81
8.0.140.0040.00416.97
8.0.130.0000.00513.37
8.0.120.0040.00416.87
8.0.110.0000.00716.91
8.0.100.0000.00716.91
8.0.90.0000.00816.92
8.0.80.0110.00816.95
8.0.70.0030.00516.90
8.0.60.0070.00016.95
8.0.50.0040.00416.75
8.0.30.0120.00917.13
8.0.20.0090.00917.40
8.0.10.0070.00017.09
8.0.00.0100.00916.68
7.4.330.0000.00515.00
7.4.320.0000.00716.73
7.4.300.0000.00716.70
7.4.290.0070.00016.72
7.4.280.0100.00016.65
7.4.270.0030.00316.66
7.4.260.0030.00316.73
7.4.250.0020.00516.61
7.4.240.0030.00316.75
7.4.230.0000.00716.43
7.4.220.0120.00316.75
7.4.210.0060.00916.69
7.4.200.0000.00716.75
7.4.160.0120.00316.57
7.4.150.0130.00617.40
7.4.140.0080.00917.86
7.4.130.0070.01016.61
7.4.120.0080.00916.48
7.4.110.0070.01016.51
7.4.100.0110.00916.54
7.4.90.0100.00616.63
7.4.80.0090.01219.39
7.4.70.0070.01016.64
7.4.60.0130.00516.82
7.4.50.0000.00816.54
7.4.40.0060.01016.54
7.4.30.0100.00616.53
7.4.10.0070.00715.07
7.4.00.0100.00614.97
7.3.330.0030.00313.02
7.3.320.0030.00312.99
7.3.310.0000.00716.33
7.3.300.0000.00716.26
7.3.290.0140.00616.30
7.3.280.0100.00716.28
7.3.270.0120.00617.40
7.3.260.0090.00916.25
7.3.250.0140.00716.26
7.3.240.0160.00616.43
7.3.230.0030.01516.49
7.3.210.0040.01316.30
7.3.200.0060.00919.39
7.3.190.0070.01016.65
7.3.180.0030.01316.44
7.3.170.0080.00816.54
7.3.160.0100.00616.58
7.3.130.0030.01414.84
7.3.120.0070.01014.85
7.3.110.0080.00914.89
7.3.100.0060.01114.74
7.3.90.0050.00914.89
7.3.80.0020.01014.75
7.3.70.0050.01014.88
7.3.60.0120.00214.78
7.3.50.0070.00714.82
7.3.40.0030.00814.81
7.3.30.0050.00914.71
7.3.20.0080.00816.80
7.3.10.0020.01316.56
7.3.00.0100.00316.73
7.2.330.0060.01216.60
7.2.320.0090.00916.71
7.2.310.0110.00616.45
7.2.300.0090.00916.52
7.2.290.0100.01016.57
7.2.260.0060.01315.02
7.2.250.0050.01114.96
7.2.240.0060.01114.90
7.2.230.0050.01315.16
7.2.220.0060.00514.93
7.2.210.0070.00814.79
7.2.200.0070.00615.10
7.2.190.0010.01314.93
7.2.180.0050.00615.08
7.2.170.0100.00115.02
7.2.160.0030.01015.11
7.2.150.0030.01016.90
7.2.140.0130.00616.63
7.2.130.0030.01316.72
7.2.120.0070.00316.70
7.2.110.0040.00717.01
7.2.100.0030.01316.93
7.2.90.0060.00916.69
7.2.80.0090.00616.95
7.2.70.0110.00416.86
7.2.60.0030.00616.98
7.2.50.0000.01216.98
7.2.40.0050.00516.86
7.2.30.0060.00616.77
7.2.20.0030.00716.64
7.2.10.0030.00917.04
7.2.00.0100.00518.10
7.1.330.0060.01015.69
7.1.320.0060.00815.77
7.1.310.0040.00816.03
7.1.300.0020.00815.85
7.1.290.0040.00715.82
7.1.280.0100.00615.87
7.1.270.0030.00815.91
7.1.260.0060.00715.83
7.1.250.0000.01215.97
7.1.240.0030.01015.86
7.1.230.0040.01115.77
7.1.220.0070.00715.69
7.1.210.0060.00915.63
7.1.200.0030.00715.98
7.1.190.0030.01315.90
7.1.180.0070.00415.86
7.1.170.0030.01015.79
7.1.160.0040.00815.91
7.1.150.0030.01015.74
7.1.140.0060.00615.86
7.1.130.0080.00515.76
7.1.120.0000.01015.88
7.1.110.0000.01215.90
7.1.100.0110.00417.09
7.1.90.0040.01515.97
7.1.80.0070.01015.89
7.1.70.0030.00916.31
7.1.60.0080.01117.86
7.1.50.0080.00816.45
7.1.40.0000.01315.64
7.1.30.0060.00915.87
7.1.20.0000.01115.85
7.1.10.0120.00316.03
7.1.00.0100.03719.02
7.0.330.0000.01015.28
7.0.320.0070.00715.29
7.0.310.0090.00415.35
7.0.300.0030.01315.47
7.0.290.0040.00715.26
7.0.280.0070.00715.59
7.0.270.0110.00415.37
7.0.260.0040.00415.33
7.0.250.0000.01315.24
7.0.240.0060.01215.57
7.0.230.0110.00815.38
7.0.220.0000.00915.24
7.0.210.0030.00615.52
7.0.200.0000.00916.17
7.0.190.0000.00815.45
7.0.180.0060.00915.67
7.0.170.0030.00615.21
7.0.160.0080.00415.28
7.0.150.0030.00715.66
7.0.140.0030.04218.83
7.0.130.0030.01015.35
7.0.120.0000.01415.61
7.0.110.0090.00315.65
7.0.100.0070.00715.29
7.0.90.0130.00015.69
7.0.80.0070.00715.32
7.0.70.0100.00315.36
7.0.60.0080.04517.78
7.0.50.0080.04016.71
7.0.40.0110.02016.83
7.0.30.0300.03816.81
7.0.20.0160.02816.81
7.0.10.0080.04816.97
7.0.00.0070.03016.74
5.6.400.0070.00714.37
5.6.390.0040.00814.53
5.6.380.0070.01014.41
5.6.370.0080.00614.40
5.6.360.0030.00914.41
5.6.350.0060.00914.02
5.6.340.0070.00714.04
5.6.330.0060.00614.50
5.6.320.0070.00713.99
5.6.310.0000.01014.06
5.6.300.0040.00814.27
5.6.290.0070.00714.20
5.6.280.0040.03917.55
5.6.270.0050.00514.46
5.6.260.0070.00314.49
5.6.250.0040.00714.30
5.6.240.0090.00614.07
5.6.230.0030.01214.21
5.6.220.0030.01013.94
5.6.210.0080.03717.40
5.6.200.0070.04416.30
5.6.190.0050.03117.23
5.6.180.0260.03217.46
5.6.170.0160.04117.34
5.6.160.0100.03317.39
5.6.150.0040.02116.19
5.6.140.0060.02016.12
5.6.130.0030.03616.20
5.6.120.0080.02217.55
5.6.110.0120.04017.80
5.6.100.0070.02017.54
5.6.90.0060.02317.56
5.6.80.0070.04317.24
5.6.70.0070.00714.14
5.6.60.0000.01413.98
5.6.50.0030.01313.93
5.6.40.0040.01213.92
5.6.30.0040.00814.04
5.6.20.0030.01214.04
5.6.10.0040.01514.27
5.6.00.0030.01014.41
5.5.380.0080.00413.86
5.5.370.0000.01214.40
5.5.360.0000.00914.35
5.5.350.0150.04217.15
5.5.340.0070.03015.94
5.5.330.0090.04117.33
5.5.320.0220.04217.29
5.5.310.0180.04017.29
5.5.300.0020.02515.97
5.5.290.0060.04316.08
5.5.280.0030.02717.60
5.5.270.0080.03817.35
5.5.260.0110.04217.56
5.5.250.0050.02417.37
5.5.240.0100.03017.23
5.5.230.0030.00713.89
5.5.220.0070.00414.28
5.5.210.0100.00713.87
5.5.200.0130.00314.13
5.5.190.0000.01313.77
5.5.180.0070.01014.17
5.5.170.0090.00614.22
5.5.160.0060.00614.17
5.5.150.0030.01014.20
5.5.140.0040.01113.98
5.5.130.0060.00614.16
5.5.120.0030.00514.35
5.5.110.0000.00814.09
5.5.100.0070.00713.83
5.5.90.0030.00614.29
5.5.80.0120.00314.24
5.5.70.0070.00314.05
5.5.60.0000.00814.19
5.5.50.0060.00314.25
5.5.40.0040.01114.20
5.5.30.0070.00714.06
5.5.20.0080.00414.42
5.5.10.0030.00814.33
5.5.00.0060.00614.08
5.4.450.0190.03715.84
5.4.440.0120.02815.76
5.4.430.0180.03215.74
5.4.420.0160.04315.85
5.4.410.0180.03815.63
5.4.400.0150.02615.61
5.4.390.0080.03315.71
5.4.380.0070.02815.68
5.4.370.0200.03615.61
5.4.360.0150.03915.77
5.4.350.0130.03015.71
5.4.340.0120.04115.67
5.4.330.0030.01012.29
5.4.320.0150.03415.56
5.4.310.0130.04015.69
5.4.300.0150.03815.68
5.4.290.0190.02515.67
5.4.280.0200.03015.68
5.4.270.0180.03515.67
5.4.260.0180.04015.75
5.4.250.0180.03015.69
5.4.240.0140.04115.54
5.4.230.0120.03215.54
5.4.220.0220.03515.60
5.4.210.0170.03415.69
5.4.200.0150.03515.58
5.4.190.0120.03815.75
5.4.180.0150.04015.70
5.4.170.0130.03215.76
5.4.160.0150.04015.68
5.4.150.0130.04115.75
5.4.140.0190.03314.32
5.4.130.0170.02714.29
5.4.120.0120.03214.28
5.4.110.0180.03514.24
5.4.100.0180.03714.34
5.4.90.0190.03314.38
5.4.80.0200.03314.36
5.4.70.0200.03314.37
5.4.60.0180.03314.16
5.4.50.0190.03214.33
5.4.40.0150.02314.37
5.4.30.0170.02914.33
5.4.20.0130.02014.32
5.4.10.0150.03614.34
5.4.00.0120.02014.09
5.3.290.0140.03113.47
5.3.280.0110.04113.46
5.3.270.0210.03213.37
5.3.260.0130.03713.40
5.3.250.0170.02813.36
5.3.240.0080.03013.41
5.3.230.0150.03713.35
5.3.220.0150.03613.35
5.3.210.0160.02813.35
5.3.200.0120.03913.40
5.3.190.0170.03813.35
5.3.180.0150.03513.34
5.3.170.0190.02613.34
5.3.160.0180.02013.41
5.3.150.0150.02613.38
5.3.140.0220.03013.46
5.3.130.0180.03313.33
5.3.120.0130.03613.33
5.3.110.0160.03713.38
5.3.100.0170.03213.08
5.3.90.0170.03713.08
5.3.80.0170.02813.07
5.3.70.0140.02313.14
5.3.60.0150.03613.07
5.3.50.0160.02513.03
5.3.40.0180.03313.09
5.3.30.0220.03113.12
5.3.20.0230.03112.96
5.3.10.0150.02612.88
5.3.00.0190.03712.86
5.2.170.0230.05312.02
5.2.160.0200.05712.02
5.2.150.0230.06012.02
5.2.140.0270.05712.02
5.2.130.0230.05012.02
5.2.120.0230.04312.02
5.2.110.0170.03312.02
5.2.100.0170.04712.02
5.2.90.0300.04012.02
5.2.80.0270.06012.02
5.2.70.0270.05312.02
5.2.60.0230.06012.02
5.2.50.0200.05712.02
5.2.40.0230.04712.02
5.2.30.0200.05712.02
5.2.20.0200.06312.02
5.2.10.0200.05712.02
5.2.00.0200.04712.02
5.1.60.0300.03312.02
5.1.50.0230.05012.02
5.1.40.0200.05012.02
5.1.30.0200.05012.02
5.1.20.0270.04712.02
5.1.10.0170.05712.02
5.1.00.0170.04012.02
5.0.50.0100.03712.02
5.0.40.0070.03712.02
5.0.30.0100.04712.02
5.0.20.0170.02312.02
5.0.10.0100.04712.02
5.0.00.0200.04312.02
4.4.90.0070.03312.02
4.4.80.0070.03712.02
4.4.70.0070.03312.02
4.4.60.0070.01712.02
4.4.50.0100.03012.02
4.4.40.0100.05012.02
4.4.30.0100.03012.02
4.4.20.0170.03012.02
4.4.10.0100.02712.02
4.4.00.0130.04712.02
4.3.110.0130.03012.02
4.3.100.0070.01712.02
4.3.90.0100.02012.02
4.3.80.0130.04712.02
4.3.70.0100.03312.02
4.3.60.0170.03012.02
4.3.50.0130.02312.02
4.3.40.0100.05012.02
4.3.30.0130.02012.02
4.3.20.0130.02012.02
4.3.10.0070.02312.02
4.3.00.0030.02712.02

preferences:
49.83 ms | 401 KiB | 5 Q