3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('//u', "\xef\xbf\xbf")); var_dump(preg_match('//u', "\xf4\x8f\xbf\xbf")); var_dump(preg_match('//u', "\xed\x80\x80")); var_dump(preg_match('//u', "\xf4\x90\x80\x80"));

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)
8.3.40.0060.00918.92
8.3.30.0060.00919.09
8.3.20.0070.00720.18
8.3.10.0050.00322.09
8.3.00.0040.00422.39
8.2.170.0150.00322.96
8.2.160.0130.00720.39
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0120.00626.16
8.2.120.0090.00019.49
8.2.110.0030.00622.31
8.2.100.0060.00617.84
8.2.90.0000.00817.95
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0050.00317.68
8.2.50.0000.00818.07
8.2.40.0090.00017.91
8.2.30.0060.00317.83
8.2.20.0040.00417.61
8.2.10.0060.00317.64
8.2.00.0040.00417.68
8.1.270.0150.00420.20
8.1.260.0110.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00322.30
8.1.230.0070.00320.82
8.1.220.0090.00017.74
8.1.210.0000.00918.77
8.1.200.0040.00717.23
8.1.190.0040.00417.39
8.1.180.0040.00419.13
8.1.170.0080.00018.64
8.1.160.0080.00022.03
8.1.150.0000.00818.71
8.1.140.0060.00317.45
8.1.130.0070.00017.78
8.1.120.0030.00317.38
8.1.110.0040.00417.45
8.1.100.0030.00317.51
8.1.90.0040.00417.39
8.1.80.0030.00517.48
8.1.70.0000.00717.44
8.1.60.0000.00917.52
8.1.50.0030.00617.42
8.1.40.0040.00417.51
8.1.30.0040.00417.68
8.1.20.0030.00517.63
8.1.10.0040.00417.48
8.1.00.0090.00317.52
8.0.300.0000.00819.77
8.0.290.0000.00717.05
8.0.280.0030.00318.32
8.0.270.0040.00417.08
8.0.260.0000.00716.74
8.0.250.0000.00717.07
8.0.240.0050.00317.03
8.0.230.0000.00717.06
8.0.220.0070.00016.87
8.0.210.0060.00016.98
8.0.200.0060.00017.04
8.0.190.0070.00017.05
8.0.180.0040.00416.97
8.0.170.0000.00817.05
8.0.160.0030.00316.86
8.0.150.0000.00716.97
8.0.140.0000.00916.93
8.0.130.0030.00313.34
8.0.120.0040.00416.96
8.0.110.0040.00416.97
8.0.100.0040.00416.82
8.0.90.0040.00416.94
8.0.80.0070.01016.93
8.0.70.0030.00316.86
8.0.60.0040.00417.00
8.0.50.0040.00417.02
8.0.30.0120.01016.96
8.0.20.0120.00617.40
8.0.10.0040.00417.06
8.0.00.0080.01116.83
7.4.330.0020.00215.00
7.4.320.0000.00716.52
7.4.300.0030.00316.48
7.4.290.0000.00716.68
7.4.280.0030.00316.57
7.4.270.0000.00716.71
7.4.260.0090.00016.58
7.4.250.0020.00516.53
7.4.240.0030.00416.65
7.4.230.0000.00716.69
7.4.220.0060.01216.78
7.4.210.0060.00816.68
7.4.200.0030.00316.71
7.4.190.0030.00516.45
7.4.160.0070.01116.45
7.4.150.0130.00417.40
7.4.140.0090.01317.86
7.4.130.0100.00616.43
7.4.120.0090.00816.49
7.4.110.0030.01316.40
7.4.100.0170.00616.65
7.4.90.0100.00916.51
7.4.80.0100.01319.39
7.4.70.0090.00616.45
7.4.60.0100.00716.50
7.4.50.0040.00016.40
7.4.40.0040.01222.77
7.4.30.0110.00716.61
7.4.10.0120.00615.23
7.4.00.0050.00615.11
7.3.330.0050.00013.17
7.3.320.0030.00313.07
7.3.310.0000.00716.21
7.3.300.0030.00616.36
7.3.290.0070.01416.28
7.3.280.0090.01016.33
7.3.270.0080.01517.40
7.3.260.0090.01516.23
7.3.250.0100.00816.57
7.3.240.0090.00916.45
7.3.230.0070.01016.39
7.3.210.0080.00816.25
7.3.200.0080.01219.39
7.3.190.0090.01216.62
7.3.180.0090.00616.51
7.3.170.0110.00916.27
7.3.160.0120.00616.49
7.3.130.0070.01314.71
7.3.120.0120.00514.77
7.3.110.0070.01314.98
7.3.100.0120.00314.75
7.3.90.0090.00614.87
7.3.80.0090.00014.99
7.3.70.0060.01214.86
7.3.60.0000.01214.95
7.3.50.0060.00614.73
7.3.40.0000.01014.83
7.3.30.0100.00314.95
7.3.20.0040.01116.56
7.3.10.0060.01016.77
7.3.00.0100.00016.80
7.2.330.0060.01216.61
7.2.320.0110.00716.54
7.2.310.0030.02016.41
7.2.300.0130.00916.37
7.2.290.0030.02016.71
7.2.260.0030.01514.80
7.2.250.0110.00715.09
7.2.240.0080.00415.18
7.2.230.0060.01015.16
7.2.220.0090.00915.17
7.2.210.0030.00715.05
7.2.200.0030.01014.82
7.2.190.0070.00314.97
7.2.180.0100.00715.18
7.2.170.0060.00314.99
7.2.160.0000.01214.83
7.2.150.0090.00616.48
7.2.140.0000.01616.78
7.2.130.0090.00316.79
7.2.120.0120.00316.95
7.2.110.0030.00917.04
7.2.100.0060.00916.89
7.2.90.0090.00616.91
7.2.80.0070.00317.04
7.2.70.0040.00816.98
7.2.60.0060.00916.88
7.2.50.0070.00716.57
7.2.40.0120.00617.03
7.2.30.0070.01017.01
7.2.20.0030.00916.71
7.2.10.0070.01117.00
7.2.00.0180.00016.57
7.1.330.0080.00415.91
7.1.320.0100.00615.85
7.1.310.0100.00315.89
7.1.300.0040.01115.97
7.1.290.0090.00615.52
7.1.280.0060.00915.81
7.1.270.0000.01215.87
7.1.260.0040.00716.02
7.1.250.0030.01015.75
7.1.240.0000.00815.56
7.1.230.0000.01415.96
7.1.220.0030.00715.71
7.1.210.0000.01115.98
7.1.200.0050.00715.83
7.1.190.0110.00415.70
7.1.180.0060.00315.57
7.1.170.0030.00615.77
7.1.160.0000.01415.94
7.1.150.0120.00315.50
7.1.140.0070.00415.58
7.1.130.0040.01115.89
7.1.120.0070.01015.97
7.1.110.0040.00415.91
7.1.100.0030.01015.87
7.1.90.0110.00415.72
7.1.80.0120.00315.61
7.1.70.0000.01116.62
7.1.60.0120.00717.70
7.1.50.0050.01216.46
7.1.40.0000.01615.70
7.1.30.0060.00615.80
7.1.20.0060.00615.87
7.1.10.0000.01415.97
7.1.00.0050.01919.11
7.0.330.0000.01315.22
7.0.320.0090.00315.56
7.0.310.0040.00815.56
7.0.300.0060.00615.54
7.0.290.0080.00815.14
7.0.280.0030.01015.36
7.0.270.0090.00615.36
7.0.260.0070.00715.44
7.0.250.0030.00715.55
7.0.240.0080.00815.55
7.0.230.0070.00715.18
7.0.220.0030.01015.51
7.0.210.0030.00915.27
7.0.200.0070.00516.09
7.0.190.0030.01015.30
7.0.180.0060.00915.59
7.0.170.0030.01015.41
7.0.160.0030.00615.32
7.0.150.0070.00715.03
7.0.140.0110.03318.73
7.0.130.0040.01115.38
7.0.120.0070.00715.13
7.0.110.0000.01315.10
7.0.100.0000.01115.49
7.0.90.0030.01015.58
7.0.80.0280.04017.71
7.0.70.0100.03517.68
7.0.60.0050.02517.57
7.0.50.0050.02718.00
7.0.40.0080.02116.66
7.0.30.0080.02316.89
7.0.20.0030.03016.85
7.0.10.0060.01816.82
7.0.00.0040.02616.76
5.6.400.0060.01014.05
5.6.390.0030.00914.11
5.6.380.0070.00714.53
5.6.370.0060.00614.53
5.6.360.0070.00714.29
5.6.350.0000.01314.28
5.6.340.0070.00714.01
5.6.330.0070.01014.62
5.6.320.0030.01014.29
5.6.310.0040.00714.29
5.6.300.0000.01014.17
5.6.290.0030.00913.99
5.6.280.0070.05217.55
5.6.270.0000.01514.41
5.6.260.0060.00913.95
5.6.250.0040.00814.19
5.6.240.0080.00314.25
5.6.230.0020.03317.37
5.6.220.0030.02817.43
5.6.210.0050.02217.41
5.6.200.0100.02517.59
5.6.190.0070.02417.73
5.6.180.0020.02717.61
5.6.170.0000.02917.72
5.6.160.0050.02217.44
5.6.150.0100.01817.50
5.6.140.0050.02317.64
5.6.130.0050.02417.49
5.6.120.0040.02617.69
5.6.110.0060.02617.69
5.6.100.0080.02117.49
5.6.90.0080.02217.75
5.6.80.0050.02617.42
5.6.70.0060.02417.30
5.6.60.0060.02317.15
5.6.50.0050.02317.12
5.6.40.0080.02117.23
5.6.30.0030.02417.38
5.6.20.0010.02417.21
5.6.10.0050.02417.29
5.6.00.0100.01817.26
5.5.380.0060.00313.93
5.5.370.0050.03317.37
5.5.360.0090.02717.38
5.5.350.0100.02717.40
5.5.340.0100.01917.46
5.5.330.0060.02217.60
5.5.320.0060.02217.49
5.5.310.0070.02917.46
5.5.300.0050.03317.41
5.5.290.0110.01817.52
5.5.280.0070.03417.49
5.5.270.0070.02217.42
5.5.260.0060.02017.62
5.5.250.0000.03717.43
5.5.240.0100.01817.13
5.5.230.0090.01917.23
5.5.220.0050.02516.99
5.5.210.0050.02216.94
5.5.200.0030.03117.22
5.5.190.0040.02217.14
5.5.180.0030.04017.05
5.5.170.0030.01013.91
5.5.160.0070.01917.11
5.5.150.0060.02317.10
5.5.140.0080.02317.25
5.5.130.0100.03617.15
5.5.120.0030.04617.17
5.5.110.0020.04817.05
5.5.100.0110.03517.10
5.5.90.0020.03417.05
5.5.80.0060.04517.06
5.5.70.0070.04416.83
5.5.60.0100.04517.05
5.5.50.0080.04017.02
5.5.40.0040.04316.94
5.5.30.0080.04316.92
5.5.20.0070.04017.04
5.5.10.0070.04217.09
5.5.00.0090.04217.01
5.4.450.0030.02215.06
5.4.440.0030.03415.11
5.4.430.0050.02615.13
5.4.420.0020.02315.18
5.4.410.0050.01815.12
5.4.400.0040.02115.01
5.4.390.0030.02214.84
5.4.380.0060.02114.86
5.4.370.0050.02914.96
5.4.360.0050.02414.89
5.4.350.0060.02314.93
5.4.340.0050.01815.08
5.4.330.0040.00410.66
5.4.320.0060.01814.93
5.4.310.0030.02014.93
5.4.300.0030.02214.85
5.4.290.0050.02014.75
5.4.280.0050.03214.67
5.4.270.0080.04114.93
5.4.260.0090.04014.96
5.4.250.0100.03414.80
5.4.240.0030.04214.94
5.4.230.0020.04315.00
5.4.220.0070.03814.86
5.4.210.0060.03814.82
5.4.200.0050.02514.89
5.4.190.0050.03114.91
5.4.180.0100.03714.95
5.4.170.0080.04014.83
5.4.160.0100.03514.90
5.4.150.0040.04214.85
5.4.140.0000.04413.68
5.4.130.0110.03313.62
5.4.120.0100.02013.55
5.4.110.0020.04613.49
5.4.100.0100.03713.60
5.4.90.0030.03313.62
5.4.80.0050.02613.41
5.4.70.0050.02313.59
5.4.60.0040.02513.59
5.4.50.0050.02613.64
5.4.40.0060.02513.63
5.4.30.0030.03913.51
5.4.20.0070.02713.62
5.4.10.0050.04013.67
5.4.00.0050.02613.22
5.3.290.0060.02212.45
5.3.280.0050.03212.41
5.3.270.0030.04612.51
5.3.260.0020.04212.46
5.3.250.0140.04012.46
5.3.240.0030.03312.47
5.3.230.0030.02812.48
5.3.220.0090.03512.47
5.3.210.0050.02912.45
5.3.200.0000.04312.38
5.3.190.0080.02512.55
5.3.180.0050.02712.55
5.3.170.0030.02312.53
5.3.160.0020.02412.45
5.3.150.0080.02012.46
5.3.140.0030.04212.53
5.3.130.0060.03912.43
5.3.120.0050.03912.48
5.3.110.0060.04412.43
5.3.100.0050.03912.16
5.3.90.0080.03512.18
5.3.80.0050.04312.19
5.3.70.0050.03512.19
5.3.60.0020.04212.14
5.3.50.0070.03712.15
5.3.40.0020.04712.14
5.3.30.0060.03812.07
5.3.20.0080.03312.04
5.3.10.0050.04012.02
5.3.00.0010.03911.88
5.2.170.0030.05311.93
5.2.160.0030.05311.93
5.2.150.0000.03711.93
5.2.140.0170.05011.93
5.2.130.0070.05311.93
5.2.120.0030.06311.93
5.2.110.0170.03011.93
5.2.100.0000.03711.93
5.2.90.0070.04311.93
5.2.80.0100.06011.93
5.2.70.0070.06311.93
5.2.60.0070.06011.93
5.2.50.0100.06011.93
5.2.40.0100.05711.93
5.2.30.0100.04311.93
5.2.20.0070.05711.93
5.2.10.0130.03711.93
5.2.00.0100.05711.93
5.1.60.0070.05011.93
5.1.50.0030.06011.93
5.1.40.0030.05711.93
5.1.30.0070.04011.93
5.1.20.0000.03311.93
5.1.10.0030.05711.93
5.1.00.0030.05311.93
5.0.50.0100.04311.93
5.0.40.0030.04311.93
5.0.30.0000.07311.93
5.0.20.0000.03311.93
5.0.10.0070.02711.93
5.0.00.0030.05011.93
4.4.90.0030.03711.93
4.4.80.0030.03711.93
4.4.70.0030.03711.93
4.4.60.0000.02711.93
4.4.50.0030.02311.93
4.4.40.0000.04311.93
4.4.30.0000.03711.93
4.4.20.0000.03711.93
4.4.10.0030.03311.93
4.4.00.0070.04311.93
4.3.110.0000.03711.93
4.3.100.0000.03711.93
4.3.90.0030.03011.93
4.3.80.0000.02711.93
4.3.70.0130.02311.93
4.3.60.0030.03311.93
4.3.50.0030.03011.93
4.3.40.0070.04711.93
4.3.30.0000.04011.93
4.3.20.0030.02711.93
4.3.10.0000.04011.93
4.3.00.0030.03311.93

preferences:
47.84 ms | 400 KiB | 5 Q