3v4l.org

run code in 300+ PHP versions simultaneously
<?php $field = 's'; var_dump(preg_match('/^\S+s$/', $field));

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)
8.3.40.0120.00918.97
8.3.30.0070.00718.71
8.3.20.0050.00318.73
8.3.10.0080.00018.81
8.3.00.0100.00019.26
8.2.170.0130.00722.96
8.2.160.0060.01318.96
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00517.68
8.2.110.0080.00822.06
8.2.100.0140.00317.77
8.2.90.0080.00019.09
8.2.80.0060.00317.97
8.2.70.0070.00317.63
8.2.60.0090.00019.63
8.2.50.0050.00318.07
8.2.40.0080.00019.47
8.2.30.0000.00917.79
8.2.20.0050.00517.80
8.2.10.0000.00717.70
8.2.00.0000.00817.64
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0060.00322.21
8.1.230.0060.00619.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0060.00317.35
8.1.180.0060.00318.10
8.1.170.0000.00818.74
8.1.160.0000.00719.04
8.1.150.0040.00418.71
8.1.140.0000.00717.49
8.1.130.0040.00417.53
8.1.120.0080.00017.57
8.1.110.0040.00417.53
8.1.100.0040.00417.51
8.1.90.0030.00517.46
8.1.80.0030.00517.55
8.1.70.0030.00317.43
8.1.60.0000.00717.65
8.1.50.0050.00317.44
8.1.40.0070.00017.48
8.1.30.0000.00817.75
8.1.20.0000.01017.75
8.1.10.0040.00417.51
8.1.00.0000.00717.47
8.0.300.0070.00018.77
8.0.290.0000.00816.63
8.0.280.0050.00418.61
8.0.270.0000.00817.15
8.0.260.0000.00616.86
8.0.250.0060.00316.99
8.0.240.0030.00517.02
8.0.230.0030.00517.05
8.0.220.0070.00316.95
8.0.210.0000.00816.85
8.0.200.0000.00616.92
8.0.190.0060.00317.02
8.0.180.0070.00016.96
8.0.170.0030.00617.06
8.0.160.0050.00217.02
8.0.150.0060.00316.87
8.0.140.0000.00716.89
8.0.130.0000.00513.39
8.0.120.0030.00616.88
8.0.110.0040.00416.86
8.0.100.0040.00416.78
8.0.90.0020.00517.08
8.0.80.0060.01116.93
8.0.70.0000.00716.93
8.0.60.0040.00416.76
8.0.50.0040.00416.85
8.0.30.0120.00917.32
8.0.20.0120.00717.21
8.0.10.0070.00017.09
8.0.00.0120.00716.81
7.4.330.0050.00013.15
7.4.320.0000.00716.75
7.4.300.0060.00016.65
7.4.290.0090.00016.75
7.4.280.0030.00516.75
7.4.270.0050.00516.70
7.4.260.0000.00513.43
7.4.250.0070.00316.54
7.4.240.0000.00716.68
7.4.230.0030.00316.53
7.4.220.0090.01516.81
7.4.210.0040.01116.69
7.4.200.0070.00016.75
7.4.190.0030.00616.74
7.4.160.0030.01316.64
7.4.150.0140.00516.74
7.4.140.0110.01017.86
7.4.130.0130.00616.81
7.4.120.0070.01116.50
7.4.110.0070.01016.64
7.4.100.0060.01316.61
7.4.90.0120.00616.46
7.4.80.0060.01219.39
7.4.70.0120.00616.51
7.4.60.0130.00316.70
7.4.50.0030.00316.38
7.4.40.0030.00916.43
7.4.30.0070.01016.75
7.4.00.0090.00615.05
7.3.330.0000.00813.12
7.3.320.0020.00513.04
7.3.310.0000.00716.16
7.3.300.0070.00016.27
7.3.290.0020.01316.32
7.3.280.0140.00316.26
7.3.270.0100.00716.36
7.3.260.0140.00416.39
7.3.240.0110.01116.39
7.3.230.0120.00416.52
7.3.210.0100.00616.35
7.3.200.0070.01016.60
7.3.190.0120.00316.32
7.3.180.0120.00616.35
7.3.170.0030.01416.25
7.3.160.0160.00616.67
7.3.120.0090.00715.00
7.3.110.0070.01014.80
7.3.100.0130.00315.05
7.3.90.0070.01014.82
7.3.80.0060.00615.01
7.3.70.0000.00814.90
7.3.60.0030.00615.00
7.3.50.0060.01214.70
7.3.40.0110.00414.87
7.3.30.0030.01314.64
7.3.20.0060.00916.60
7.3.10.0040.01116.56
7.3.00.0080.00416.63
7.2.330.0070.01116.45
7.2.320.0070.01016.57
7.2.310.0060.01316.50
7.2.300.0090.00916.56
7.2.290.0160.00616.57
7.2.250.0090.00914.74
7.2.240.0130.00315.07
7.2.230.0030.01315.20
7.2.220.0030.00614.93
7.2.210.0070.00714.92
7.2.200.0000.01515.21
7.2.190.0000.01215.19
7.2.180.0110.00714.65
7.2.170.0060.00914.80
7.2.160.0070.01015.05
7.2.150.0040.01117.05
7.2.140.0120.00616.84
7.2.130.0000.01116.76
7.2.120.0070.00716.93
7.2.110.0110.00417.00
7.2.100.0070.01016.93
7.2.90.0100.00316.80
7.2.80.0060.00316.96
7.2.70.0000.01416.96
7.2.60.0020.01416.89
7.2.50.0070.01017.10
7.2.40.0090.00317.02
7.2.30.0060.01016.94
7.2.20.0120.00416.87
7.2.10.0000.01417.02
7.2.00.0080.00618.16
7.1.330.0090.00915.93
7.1.320.0080.00815.94
7.1.310.0040.00416.14
7.1.300.0000.01215.66
7.1.290.0040.01515.90
7.1.280.0060.00915.81
7.1.270.0050.00315.98
7.1.260.0070.01015.99
7.1.250.0060.00315.98
7.1.240.0070.00315.64
7.1.230.0030.00715.77
7.1.220.0030.00715.93
7.1.210.0100.00315.98
7.1.200.0030.00815.92
7.1.190.0040.01215.95
7.1.180.0030.00915.80
7.1.170.0030.01015.90
7.1.160.0000.01415.91
7.1.150.0100.00315.94
7.1.140.0060.00316.04
7.1.130.0000.01215.77
7.1.120.0030.00916.04
7.1.110.0040.00715.96
7.1.100.0050.00517.00
7.1.90.0030.01015.92
7.1.80.0060.00915.57
7.1.70.0070.00416.64
7.1.60.0070.01117.53
7.1.50.0050.01016.31
7.1.40.0030.01415.86
7.1.30.0100.00315.66
7.1.20.0070.00715.66
7.1.10.0110.00315.96
7.1.00.0040.04418.95
7.0.330.0080.00615.69
7.0.320.0040.01215.16
7.0.310.0120.00315.63
7.0.300.0000.01115.66
7.0.290.0030.00915.63
7.0.280.0060.00915.74
7.0.270.0070.00715.54
7.0.260.0000.01215.34
7.0.250.0070.00715.68
7.0.240.0060.01215.59
7.0.230.0040.01115.37
7.0.220.0030.01015.30
7.0.210.0090.00415.39
7.0.200.0020.00616.13
7.0.190.0030.00615.27
7.0.180.0070.00715.55
7.0.170.0060.00615.55
7.0.160.0070.00315.61
7.0.150.0060.00315.67
7.0.140.0030.04518.75
7.0.130.0030.00715.58
7.0.120.0030.04118.76
7.0.110.0040.01115.42
7.0.100.0120.00315.50
7.0.90.0070.00715.64
7.0.80.0060.00615.31
7.0.70.0080.00015.28
7.0.60.0060.04417.64
7.0.50.0130.03616.72
7.0.40.0050.02715.63
7.0.30.0080.02015.54
7.0.20.0050.02315.71
7.0.10.0020.02615.68
7.0.00.0100.02015.68
5.6.400.0030.00614.38
5.6.390.0140.00314.45
5.6.380.0040.00714.38
5.6.370.0070.00713.83
5.6.360.0070.00714.27
5.6.350.0070.00314.29
5.6.340.0100.00614.59
5.6.330.0040.00414.40
5.6.320.0000.01214.14
5.6.310.0030.00613.83
5.6.300.0080.00814.14
5.6.290.0070.01114.18
5.6.280.0050.03917.77
5.6.270.0040.00714.29
5.6.260.0030.00614.61
5.6.250.0040.00714.23
5.6.240.0070.00314.12
5.6.230.0000.01414.25
5.6.220.0030.01014.15
5.6.210.0070.03917.23
5.6.200.0050.02816.12
5.6.190.0110.03516.08
5.6.180.0100.02016.26
5.6.170.0090.02216.06
5.6.160.0080.02016.21
5.6.150.0070.02216.07
5.6.140.0020.02416.21
5.6.130.0020.02616.29
5.6.120.0040.02616.25
5.6.110.0000.02716.18
5.6.100.0000.02616.17
5.6.90.0020.02416.15
5.6.80.0050.02215.86
5.6.70.0010.02415.85
5.6.60.0030.02415.72
5.6.50.0060.02215.85
5.6.40.0040.02415.84
5.6.30.0080.02015.86
5.6.20.0090.01815.98
5.6.10.0050.02015.79
5.6.00.0040.02015.95
5.5.380.0000.01214.01
5.5.370.0130.00314.28
5.5.360.0100.00314.30
5.5.350.0120.04517.19
5.5.340.0030.02916.02
5.5.330.0050.04015.99
5.5.320.0050.02416.12
5.5.310.0070.02415.87
5.5.300.0050.02515.95
5.5.290.0050.02315.97
5.5.280.0000.02716.06
5.5.270.0000.02915.94
5.5.260.0050.02315.96
5.5.250.0060.02116.01
5.5.240.0020.02415.72
5.5.230.0030.02315.70
5.5.220.0100.01715.78
5.5.210.0030.02115.82
5.5.200.0030.02315.53
5.5.190.0100.01515.82
5.5.180.0080.02015.48
5.5.170.0060.00614.14
5.5.160.0080.02015.76
5.5.150.0100.03815.71
5.5.140.0090.04715.40
5.5.130.0030.02515.62
5.5.120.0030.02715.73
5.5.110.0080.02215.63
5.5.100.0060.04315.72
5.5.90.0030.03515.61
5.5.80.0100.04015.65
5.5.70.0040.02815.48
5.5.60.0050.02815.55
5.5.50.0120.03715.66
5.5.40.0080.04115.70
5.5.30.0100.02515.66
5.5.20.0110.03815.49
5.5.10.0080.02815.53
5.5.00.0100.03715.66
5.4.450.0000.02715.13
5.4.440.0060.03315.05
5.4.430.0040.02215.06
5.4.420.0020.02415.01
5.4.410.0030.02015.17
5.4.400.0050.02014.92
5.4.390.0020.02414.88
5.4.380.0050.02414.91
5.4.370.0040.02014.87
5.4.360.0040.02214.87
5.4.350.0050.02014.97
5.4.340.0040.02114.90
5.4.330.0000.00610.86
5.4.320.0030.02314.92
5.4.310.0060.04114.91
5.4.300.0100.01814.95
5.4.290.0070.02314.99
5.4.280.0050.04214.88
5.4.270.0050.02414.96
5.4.260.0040.02414.91
5.4.250.0060.03914.90
5.4.240.0070.02214.97
5.4.230.0030.03014.95
5.4.220.0020.02514.95
5.4.210.0090.03914.92
5.4.200.0080.03314.89
5.4.190.0050.03814.90
5.4.180.0070.04314.91
5.4.170.0020.04515.04
5.4.160.0070.03314.94
5.4.150.0020.03014.93
5.4.140.0080.03213.55
5.4.130.0060.02213.48
5.4.120.0060.03313.59
5.4.110.0030.02413.63
5.4.100.0100.03013.54
5.4.90.0010.04113.65
5.4.80.0000.02713.51
5.4.70.0070.03913.51
5.4.60.0070.03013.55
5.4.50.0030.04013.56
5.4.40.0000.02813.56
5.4.30.0110.02513.57
5.4.20.0020.04613.61
5.4.10.0100.02613.49
5.4.00.0080.02813.28
5.3.290.0000.02312.70
5.3.280.0030.04312.65
5.3.270.0140.01712.67
5.3.260.0050.03512.61
5.3.250.0080.03912.66
5.3.240.0020.02812.73
5.3.230.0050.04112.58
5.3.220.0070.03312.66
5.3.210.0040.02312.64
5.3.200.0070.03712.59
5.3.190.0040.02312.64
5.3.180.0030.02312.60
5.3.170.0050.02312.67
5.3.160.0050.03112.60
5.3.150.0050.02312.58
5.3.140.0080.04112.60
5.3.130.0020.03812.70
5.3.120.0050.04012.62
5.3.110.0030.03212.65
5.3.100.0040.03412.32
5.3.90.0070.02212.38
5.3.80.0040.02412.36
5.3.70.0040.02612.36
5.3.60.0020.04312.37
5.3.50.0100.03612.35
5.3.40.0040.03112.35
5.3.30.0050.03812.25
5.3.20.0070.03312.28
5.3.10.0020.03012.21
5.3.00.0050.03312.20
5.2.170.0030.05011.04
5.2.160.0030.06310.92
5.2.150.0100.03711.07
5.2.140.0070.03011.09
5.2.130.0000.04311.08
5.2.120.0030.04010.93
5.2.110.0030.02711.02
5.2.100.0130.06011.07
5.2.90.0030.06711.07
5.2.80.0130.05311.08
5.2.70.0030.05710.86
5.2.60.0100.06011.19
5.2.50.0030.06711.02
5.2.40.0070.06010.96
5.2.30.0100.05310.77
5.2.20.0100.05710.80
5.2.10.0030.05010.75
5.2.00.0100.04010.74
5.1.60.0000.03710.05
5.1.50.0030.0539.98
5.1.40.0100.0409.88
5.1.30.0000.06010.34
5.1.20.0030.05010.29
5.1.10.0030.05010.21
5.1.00.0130.04010.00
5.0.50.0030.0478.54
5.0.40.0100.0338.38
5.0.30.0000.0708.24
5.0.20.0030.0378.16
5.0.10.0030.0308.23
5.0.00.0030.0708.13
4.4.90.0000.0377.55
4.4.80.0030.0337.55
4.4.70.0030.0337.55
4.4.60.0000.0337.55
4.4.50.0070.0237.55
4.4.40.0100.0437.55
4.4.30.0070.0337.55
4.4.20.0000.0307.55
4.4.10.0000.0407.55
4.4.00.0000.0337.55
4.3.110.0070.0337.55
4.3.100.0000.0337.55
4.3.90.0000.0307.55
4.3.80.0000.0377.55
4.3.70.0000.0337.55
4.3.60.0030.0337.55
4.3.50.0030.0237.55
4.3.40.0100.0377.55
4.3.30.0000.0307.55
4.3.20.0000.0337.55
4.3.10.0000.0307.55
4.3.00.0000.0377.55

preferences:
43.99 ms | 400 KiB | 5 Q