3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '一行*'; preg_match('/^([^\*]+)\*+/', $str, $m); var_dump($m[1]);

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)
8.3.60.0100.01018.30
8.3.50.0070.00822.01
8.3.40.0150.00018.73
8.3.30.0070.00722.96
8.3.20.0090.00623.48
8.2.180.0060.00916.50
8.2.170.0100.01022.96
8.2.160.0060.01322.96
8.2.150.0040.01122.96
8.1.280.0070.00725.92
7.4.00.0140.00914.87
7.3.120.0180.00614.73
7.3.110.0210.01014.60
7.3.100.0220.00314.81
7.3.90.0250.01414.87
7.3.80.0190.01214.73
7.3.70.0170.00814.85
7.3.60.0130.01014.91
7.3.50.0210.00414.73
7.3.40.0200.00614.98
7.3.30.0180.00514.97
7.3.20.0620.00014.54
7.3.10.0150.00816.27
7.3.00.0300.00815.91
7.2.250.0200.00915.03
7.2.240.0230.01315.14
7.2.230.0180.00714.89
7.2.220.0210.01214.75
7.2.210.0250.00515.13
7.2.200.0230.01015.26
7.2.190.0140.01414.94
7.2.180.0110.01014.95
7.2.170.0180.00814.85
7.2.160.0200.00714.89
7.2.150.0350.01215.02
7.2.140.0170.01016.92
7.2.130.0100.01016.95
7.2.120.0220.01115.97
7.2.110.0310.00616.00
7.2.100.0110.01116.02
7.2.90.0100.01316.87
7.2.80.0240.00712.49
7.2.70.0220.00712.50
7.2.60.0180.00414.86
7.2.50.0120.00913.49
7.2.40.0330.00512.38
7.2.30.0250.01013.48
7.2.20.0270.00713.40
7.2.10.0320.00513.98
7.2.00.0290.01217.17
7.1.330.0280.01014.12
7.1.320.0640.00715.92
7.1.310.0340.01014.22
7.1.300.0090.01515.55
7.1.290.0200.00415.91
7.1.280.0490.01716.08
7.1.270.0240.00715.80
7.1.260.0420.01414.02
7.1.250.0230.01015.32
7.1.240.0450.0039.48
7.1.230.0530.00714.14
7.1.220.0480.00614.05
7.1.210.0130.01111.88
7.1.200.0220.00615.09
7.1.190.0230.01316.00
7.1.180.0430.00313.59
7.1.170.0170.01015.79
7.1.160.0110.01115.94
7.1.150.0200.01215.70
7.1.140.0150.00815.86
7.1.130.0410.01013.89
7.1.120.0250.01315.80
7.1.110.0390.01414.06
7.1.100.0100.00916.98
7.1.90.0430.00513.86
7.1.80.0510.01614.00
7.1.70.0160.00616.26
7.1.60.0260.01316.91
7.1.50.0290.01215.46
7.1.40.0390.0009.29
7.1.30.0430.01214.13
7.1.20.0360.0047.98
7.1.10.0180.01513.41
7.1.00.0220.03815.85
7.0.330.0150.01215.39
7.0.320.0430.01113.66
7.0.310.0470.0009.05
7.0.300.0500.00913.64
7.0.290.0320.01315.09
7.0.280.0450.00510.58
7.0.270.0460.00613.67
7.0.260.0740.01413.73
7.0.250.0440.01413.50
7.0.240.0360.00713.77
7.0.230.0420.00613.77
7.0.220.0440.00713.83
7.0.210.0380.00913.37
7.0.200.0240.00815.03
7.0.190.0400.0039.04
7.0.180.0340.01113.75
7.0.170.0240.00815.42
7.0.160.0550.01213.70
7.0.150.0480.0009.12
7.0.140.0210.03815.58
7.0.130.0210.00415.52
7.0.120.0430.0049.10
7.0.110.0330.00713.81
7.0.100.0130.00415.36
7.0.90.0320.01013.74
7.0.80.0360.00713.27
7.0.70.0180.00915.66
7.0.60.0310.04216.84
7.0.50.0830.03515.85
7.0.40.0120.02314.20
7.0.30.0270.04516.70
7.0.20.0140.02716.81
7.0.10.0090.03616.87
7.0.00.0140.04216.99
5.6.400.0180.01114.10
5.6.390.0150.0027.98
5.6.380.0140.01214.20
5.6.370.0130.00814.32
5.6.360.0180.00614.62
5.6.350.0090.01514.09
5.6.340.0260.00714.38
5.6.330.0310.0009.13
5.6.320.0240.0007.98
5.6.310.0240.0007.98
5.6.300.0260.0009.23
5.6.290.0200.00814.23
5.6.280.0170.00914.25
5.6.270.0160.01114.36
5.6.260.0120.00914.32
5.6.250.0130.01114.43
5.6.240.0230.00314.32
5.6.230.0120.01214.24
5.6.220.0210.00314.13
5.6.210.0080.04817.36
5.6.200.0140.04316.17
5.6.190.0070.05117.18
5.6.180.0330.03717.45
5.6.170.0250.04317.43
5.6.160.0120.02117.61
5.6.150.0120.04116.30
5.6.140.0130.03916.24
5.6.130.0110.04416.23
5.6.120.0200.03817.73
5.6.110.0110.04717.55
5.6.100.0110.02217.67
5.6.90.0120.04817.59
5.6.80.0150.03917.33
5.6.70.0120.01214.10
5.6.60.0110.01514.17
5.6.50.0230.00713.88
5.6.40.0160.00814.29
5.6.30.0110.01514.26
5.6.20.0110.01414.06
5.6.10.0180.01114.16
5.6.00.0090.01514.21
5.5.380.0110.01414.22
5.5.370.0100.01314.55
5.5.360.0090.00914.38
5.5.350.2160.02717.41
5.5.340.0140.03916.13
5.5.330.0080.03217.10
5.5.320.0100.04517.45
5.5.310.0250.02717.20
5.5.300.0090.04716.18
5.5.290.0110.02316.01
5.5.280.0110.02917.43
5.5.270.0260.04717.40
5.5.260.0040.03117.49
5.5.250.0100.05117.45
5.5.240.0180.03517.22
5.5.230.0130.00914.02
5.5.220.0130.01314.26
5.5.210.0220.00314.23
5.5.200.0190.00414.10
5.5.190.0130.01014.15
5.5.180.0160.01014.00
5.5.170.0130.01114.13
5.5.160.0100.01314.26
5.5.150.0130.00613.95
5.5.140.0090.01213.91
5.5.130.0150.00214.15
5.5.120.0080.01614.02
5.5.110.0080.00814.11
5.5.100.0190.00014.09
5.5.90.0070.01413.93
5.5.80.0170.00714.30
5.5.70.0140.00614.22
5.5.60.0100.00514.05
5.5.50.0100.01314.23
5.5.40.0180.00413.98
5.5.30.0050.01614.11
5.5.20.0160.00314.05
5.5.10.0530.00814.18
5.5.00.0170.00613.84
5.4.450.0130.02415.25
5.4.440.0120.02315.27
5.4.430.0170.02015.15
5.4.420.0160.02015.36
5.4.410.0110.02215.19
5.4.400.0140.02115.13
5.4.390.0170.01814.96
5.4.380.0130.04015.05
5.4.370.0290.03714.97
5.4.360.0100.04514.86
5.4.350.0360.04014.92
5.4.340.0230.02514.96
5.4.330.0110.00511.02
5.4.320.0230.02714.78
5.4.310.0160.04214.99
5.4.300.0160.03115.16
5.4.290.0190.02614.95
5.4.280.0190.02515.03
5.4.270.0270.03314.94
5.4.260.0230.02215.15
5.4.250.0200.02515.01
5.4.240.0160.04015.00
5.4.230.0230.01714.77
5.4.220.0250.02114.92
5.4.210.0240.03715.04
5.4.200.0200.03815.00
5.4.190.0250.03215.07
5.4.180.0220.03715.06
5.4.170.0190.03414.97
5.4.160.0170.04314.94
5.4.150.0200.04014.85
5.4.140.0210.03413.78
5.4.130.0240.03313.61
5.4.120.0220.03513.64
5.4.110.0190.02513.67
5.4.100.0130.04013.79
5.4.90.0220.03313.65
5.4.80.0220.03713.55
5.4.70.0190.03713.62
5.4.60.0160.03413.68
5.4.50.0240.03313.74
5.4.40.0190.03813.72
5.4.30.0170.03613.49
5.4.20.0240.03413.69
5.4.10.0200.02713.58
5.4.00.0190.03913.27
5.3.290.0210.03912.81
5.3.280.0170.04112.72
5.3.270.0210.03812.74
5.3.260.0160.04312.72
5.3.250.0160.04112.75
5.3.240.0170.04212.60
5.3.230.0180.03912.75
5.3.220.0160.02612.69
5.3.210.0180.04012.69
5.3.200.0190.03012.74
5.3.190.0230.03412.76
5.3.180.0160.03312.85
5.3.170.0180.03212.69
5.3.160.0180.04112.80
5.3.150.0200.03612.81
5.3.140.0200.03612.74
5.3.130.0260.02212.74
5.3.120.0210.04412.74
5.3.110.0190.03812.74
5.3.100.0240.03512.62
5.3.90.0170.03312.77
5.3.80.0200.01812.68
5.3.70.0430.02712.65
5.3.60.0100.02812.76
5.3.50.0110.02512.68
5.3.40.0170.03512.70
5.3.30.0150.04012.72
5.3.20.0210.02412.71
5.3.10.0180.03712.66
5.3.00.0190.02612.59
5.2.170.0300.05315.06
5.2.160.0230.02715.06
5.2.150.0200.04315.06
5.2.140.0300.05715.06
5.2.130.0230.05715.06
5.2.120.0230.05715.06
5.2.110.0200.06015.06
5.2.100.0200.05015.06
5.2.90.0230.03715.06
5.2.80.0200.04715.06
5.2.70.0270.05715.06
5.2.60.0200.06015.06
5.2.50.0130.03315.06
5.2.40.0170.03315.06
5.2.30.0200.05715.06
5.2.20.0270.05315.06
5.2.10.0200.03315.06
5.2.00.0200.03315.06
5.1.60.0200.04315.06
5.1.50.0230.03715.06
5.1.40.0200.04715.06
5.1.30.0230.04015.06
5.1.20.0170.05715.06
5.1.10.0170.03315.06
5.1.00.0270.03315.06
5.0.50.0200.03715.06
5.0.40.0170.02015.06
5.0.30.0100.06715.06
5.0.20.0070.03015.06
5.0.10.0130.04015.06
5.0.00.0100.04015.06
4.4.90.0070.02315.06
4.4.80.0070.02315.06
4.4.70.0070.03315.06
4.4.60.0100.03715.06
4.4.50.0130.03315.06
4.4.40.0130.05315.06
4.4.30.0130.01315.06
4.4.20.0070.03015.06
4.4.10.0170.03015.06
4.4.00.0130.02715.06
4.3.110.0070.02015.06
4.3.100.0100.02015.06
4.3.90.0130.01715.06
4.3.80.0100.05015.06
4.3.70.0070.02715.06
4.3.60.0130.02315.06
4.3.50.0130.02315.06
4.3.40.0100.03315.06
4.3.30.0100.03315.06
4.3.20.0100.02715.06
4.3.10.0100.01715.06
4.3.00.0070.03315.06

preferences:
37.17 ms | 401 KiB | 5 Q