3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(preg_match("/[a-z]/", "a\x00")) ?>

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)
8.3.40.0100.00718.70
8.3.30.0070.01118.71
8.3.20.0080.00018.69
8.3.10.0050.00318.95
8.3.00.0100.00019.07
8.2.170.0170.00322.96
8.2.160.0120.00318.59
8.2.150.0080.00024.18
8.2.140.0000.01624.66
8.2.130.0040.00426.16
8.2.120.0110.00320.93
8.2.110.0030.00722.25
8.2.100.0040.00817.78
8.2.90.0000.00817.75
8.2.80.0040.00418.91
8.2.70.0040.00417.75
8.2.60.0050.00317.55
8.2.50.0000.00818.07
8.2.40.0030.00619.57
8.2.30.0050.00317.77
8.2.20.0030.00617.68
8.2.10.0040.00417.56
8.2.00.0060.00717.71
8.1.270.0000.00823.99
8.1.260.0040.01426.35
8.1.250.0070.00028.09
8.1.240.0090.00022.21
8.1.230.0000.01117.77
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0030.00817.36
8.1.190.0090.00017.35
8.1.180.0000.00818.10
8.1.170.0030.00618.95
8.1.160.0040.00419.02
8.1.150.0000.00718.56
8.1.140.0040.00417.34
8.1.130.0030.00317.47
8.1.120.0040.00417.48
8.1.110.0030.00617.50
8.1.100.0040.00417.52
8.1.90.0040.00417.43
8.1.80.0000.00717.50
8.1.70.0000.00717.45
8.1.60.0030.00517.47
8.1.50.0000.00917.39
8.1.40.0030.00517.55
8.1.30.0060.00317.65
8.1.20.0040.00417.58
8.1.10.0030.00517.43
8.1.00.0000.00917.51
8.0.300.0000.00819.85
8.0.290.0000.00716.63
8.0.280.0000.00718.52
8.0.270.0030.00317.07
8.0.260.0060.00016.89
8.0.250.0000.00716.82
8.0.240.0030.00316.93
8.0.230.0030.00316.84
8.0.220.0000.00716.93
8.0.210.0000.00716.80
8.0.200.0030.00716.96
8.0.190.0080.00016.86
8.0.180.0050.00316.95
8.0.170.0000.00816.86
8.0.160.0040.00417.02
8.0.150.0000.00816.73
8.0.140.0070.00316.90
8.0.130.0030.00313.29
8.0.120.0090.00016.83
8.0.110.0050.00316.71
8.0.100.0000.00716.80
8.0.90.0000.00716.87
8.0.80.0060.00916.86
8.0.70.0030.00516.80
8.0.60.0000.00816.90
8.0.50.0040.00416.93
8.0.30.0030.01416.89
8.0.20.0120.00816.99
8.0.10.0040.00416.99
8.0.00.0080.01116.84
7.4.330.0000.00513.02
7.4.320.0000.00716.60
7.4.300.0030.00316.73
7.4.290.0030.00316.64
7.4.280.0040.00416.50
7.4.270.0030.00316.59
7.4.260.0000.00613.25
7.4.250.0050.00216.43
7.4.240.0030.00316.71
7.4.230.0000.00716.50
7.4.220.0120.00616.64
7.4.210.0060.01316.75
7.4.200.0050.00316.47
7.4.190.0050.00216.70
7.4.160.0120.01216.69
7.4.150.0090.00916.64
7.4.140.0140.00516.61
7.4.130.0070.01116.60
7.4.120.0100.01016.69
7.4.110.0100.00716.62
7.4.100.0070.01016.70
7.4.90.0110.00816.59
7.4.80.0090.00919.39
7.4.70.0070.01016.45
7.4.60.0130.00316.70
7.4.50.0000.00616.53
7.4.40.0040.01116.55
7.4.30.0060.01216.36
7.4.10.0100.00715.22
7.4.00.0050.01315.03
7.3.330.0030.00313.07
7.3.320.0040.00413.13
7.3.310.0000.00716.38
7.3.300.0070.00016.29
7.3.290.0090.01016.28
7.3.280.0090.00916.30
7.3.270.0100.01016.44
7.3.260.0050.01316.55
7.3.250.0080.01116.65
7.3.240.0100.00716.55
7.3.230.0060.01216.31
7.3.210.0070.01016.20
7.3.200.0190.00916.67
7.3.190.0060.01216.64
7.3.180.0090.01216.52
7.3.170.0040.01116.54
7.3.160.0030.01416.33
7.3.130.0040.01415.10
7.3.120.0050.01014.97
7.3.110.0090.00914.74
7.3.100.0030.01014.99
7.3.90.0040.01114.69
7.3.80.0000.01615.01
7.3.70.0060.00614.61
7.3.60.0070.00714.61
7.3.50.0150.00014.82
7.3.40.0090.00614.86
7.3.30.0090.00314.57
7.3.20.0000.01516.40
7.3.10.0070.00716.91
7.3.00.0090.00616.78
7.2.330.0100.00716.48
7.2.320.0190.00016.43
7.2.310.0070.01616.54
7.2.300.0090.00616.60
7.2.290.0090.00916.48
7.2.260.0090.01214.86
7.2.250.0110.00614.91
7.2.240.0040.01114.86
7.2.230.0080.00815.14
7.2.220.0060.00614.93
7.2.210.0040.01115.07
7.2.200.0040.01115.18
7.2.190.0030.01014.97
7.2.180.0070.01115.05
7.2.170.0090.00615.18
7.2.160.0030.01315.04
7.2.150.0050.00516.83
7.2.140.0030.01016.86
7.2.130.0060.00916.81
7.2.120.0000.01216.83
7.2.110.0070.00716.80
7.2.100.0060.01016.63
7.2.90.0060.00616.61
7.2.80.0070.01016.70
7.2.70.0040.01117.11
7.2.60.0060.00916.86
7.2.50.0070.01016.70
7.2.40.0060.00316.66
7.2.30.0060.00916.85
7.2.20.0000.01316.91
7.2.10.0100.00316.67
7.2.00.0100.00418.19
7.1.330.0000.01415.67
7.1.320.0090.00915.73
7.1.310.0030.01016.00
7.1.300.0070.00715.91
7.1.290.0080.00015.79
7.1.280.0000.00915.90
7.1.270.0100.00315.81
7.1.260.0040.01115.81
7.1.250.0060.00315.57
7.1.240.0030.00915.81
7.1.230.0060.00315.73
7.1.220.0060.00915.90
7.1.210.0070.00715.72
7.1.200.0050.00815.68
7.1.190.0040.00715.83
7.1.180.0000.01215.78
7.1.170.0070.00715.84
7.1.160.0060.00615.99
7.1.150.0030.01015.88
7.1.140.0040.01115.93
7.1.130.0030.01215.72
7.1.120.0070.00715.94
7.1.110.0050.00515.66
7.1.100.0040.00517.13
7.1.90.0120.00015.98
7.1.80.0060.00615.59
7.1.70.0070.00516.40
7.1.60.0070.01117.51
7.1.50.0100.00716.20
7.1.40.0100.00315.98
7.1.30.0070.00715.77
7.1.20.0040.01115.90
7.1.10.0060.00915.75
7.1.00.0070.03219.10
7.0.330.0030.00915.36
7.0.320.0120.00315.68
7.0.310.0130.00015.63
7.0.300.0000.01815.37
7.0.290.0070.00715.42
7.0.280.0040.00715.44
7.0.270.0030.00515.57
7.0.260.0030.01015.28
7.0.250.0000.01015.55
7.0.240.0060.00615.52
7.0.230.0070.01015.62
7.0.220.0030.00715.72
7.0.210.0040.00715.13
7.0.200.0060.00415.99
7.0.190.0080.00415.50
7.0.180.0060.00615.38
7.0.170.0070.00715.40
7.0.160.0070.00415.34
7.0.150.0070.00715.36
7.0.140.0020.04318.65
7.0.130.0030.01015.62
7.0.120.0070.03318.85
7.0.110.0040.01215.61
7.0.100.0100.00315.28
7.0.90.0000.01315.41
7.0.80.0040.01115.57
7.0.70.0110.00415.44
7.0.60.0090.02217.60
7.0.50.0080.04316.65
7.0.40.0070.02516.90
7.0.30.0120.02716.80
7.0.20.0170.03216.79
7.0.10.0070.03216.78
7.0.00.0090.02016.90
5.6.400.0060.00614.16
5.6.390.0040.00814.14
5.6.380.0000.01614.11
5.6.370.0090.00313.97
5.6.360.0090.00914.27
5.6.350.0030.01013.93
5.6.340.0030.00914.15
5.6.330.0060.00314.11
5.6.320.0030.01014.23
5.6.310.0070.00714.26
5.6.300.0000.01514.10
5.6.290.0000.00914.17
5.6.280.0050.03917.63
5.6.270.0070.00714.44
5.6.260.0040.00414.38
5.6.250.0040.00414.11
5.6.240.0040.01413.92
5.6.230.0060.01214.37
5.6.220.0030.01013.98
5.6.210.0070.03217.49
5.6.200.0110.02016.24
5.6.190.0050.03717.24
5.6.180.0120.02717.26
5.6.170.0230.02517.51
5.6.160.0050.02417.25
5.6.150.0040.03916.16
5.6.140.0070.02516.13
5.6.130.0020.02516.10
5.6.120.0030.02617.57
5.6.110.0090.04217.55
5.6.100.0080.04017.53
5.6.90.0100.04317.63
5.6.80.0050.04617.33
5.6.70.2070.02017.13
5.6.60.0070.01014.28
5.6.50.0040.00814.05
5.6.40.0030.00614.09
5.6.30.0030.00714.08
5.6.20.0030.01413.76
5.6.10.0040.00414.16
5.6.00.0000.01013.93
5.5.380.0070.01014.09
5.5.370.0090.00914.10
5.5.360.0130.00314.16
5.5.350.0190.03617.22
5.5.340.0030.02516.03
5.5.330.0050.02417.19
5.5.320.0150.03817.23
5.5.310.0120.04017.30
5.5.300.0040.02516.21
5.5.290.0090.04115.95
5.5.280.0020.02617.44
5.5.270.0110.03117.40
5.5.260.0030.05017.59
5.5.250.0080.04017.41
5.5.240.0100.02217.14
5.5.230.0070.01114.25
5.5.220.0070.01013.96
5.5.210.0030.01314.16
5.5.200.0030.00914.23
5.5.190.0000.00814.33
5.5.180.0040.01213.90
5.5.170.0030.00713.90
5.5.160.0050.00814.19
5.5.150.0040.01113.88
5.5.140.0000.01414.15
5.5.130.0070.01014.22
5.5.120.0000.01614.14
5.5.110.0030.01314.07
5.5.100.0070.00414.07
5.5.90.0070.00714.21
5.5.80.0000.00814.24
5.5.70.0060.00614.06
5.5.60.0040.00814.08
5.5.50.0040.01114.12
5.5.40.0060.00913.77
5.5.30.0030.00614.07
5.5.20.0040.00813.88
5.5.10.0100.00714.21
5.5.00.0030.00613.91
5.4.450.0030.02816.28
5.4.440.0070.04016.07
5.4.430.0020.02916.23
5.4.420.0020.02816.24
5.4.410.0030.03416.08
5.4.400.0050.03216.08
5.4.390.0050.04616.08
5.4.380.0070.02516.08
5.4.370.0050.03816.08
5.4.360.0040.02515.97
5.4.350.0050.02215.90
5.4.340.0030.02416.05
5.4.330.0000.00913.02
5.4.320.0070.02716.05
5.4.310.0070.03715.97
5.4.300.0030.03016.04
5.4.290.0080.03615.91
5.4.280.0000.02616.05
5.4.270.0080.02816.05
5.4.260.0030.03716.05
5.4.250.0060.01816.06
5.4.240.0090.03316.02
5.4.230.0070.03316.02
5.4.220.0050.04116.07
5.4.210.0080.03815.96
5.4.200.0070.02415.90
5.4.190.0050.02715.90
5.4.180.0070.02316.11
5.4.170.0080.04216.10
5.4.160.0090.02616.09
5.4.150.0050.04015.98
5.4.140.0040.02514.70
5.4.130.0100.02714.63
5.4.120.0030.04214.63
5.4.110.0050.02114.71
5.4.100.0070.01814.63
5.4.90.0070.02214.69
5.4.80.0050.02714.69
5.4.70.0140.03014.68
5.4.60.0030.02414.63
5.4.50.0060.02114.68
5.4.40.0120.02714.64
5.4.30.0030.02514.70
5.4.20.0070.03714.67
5.4.10.0020.02514.80
5.4.00.0060.02014.34
5.3.290.0070.04013.86
5.3.280.0050.03013.77
5.3.270.0000.02913.78
5.3.260.0080.03613.77
5.3.250.0020.03113.77
5.3.240.0080.03813.72
5.3.230.0000.02913.77
5.3.220.0020.04213.78
5.3.210.0030.04513.76
5.3.200.0030.02013.77
5.3.190.0080.02513.75
5.3.180.0050.04113.68
5.3.170.0030.04013.76
5.3.160.0050.04013.83
5.3.150.0070.02813.75
5.3.140.0030.04113.77
5.3.130.0070.03713.73
5.3.120.0030.03413.75
5.3.110.0050.03013.83
5.3.100.0070.01813.50
5.3.90.0020.02713.51
5.3.80.0030.02613.48
5.3.70.0020.03613.49
5.3.60.0040.04013.43
5.3.50.0070.02513.44
5.3.40.0050.03813.39
5.3.30.0050.03713.45
5.3.20.0060.02313.27
5.3.10.0030.03513.30
5.3.00.0070.03313.30
5.2.170.0070.04011.07
5.2.160.0070.05311.13
5.2.150.0070.06010.99
5.2.140.0000.05711.03
5.2.130.0030.06711.05
5.2.120.0070.03011.18
5.2.110.0070.05711.25
5.2.100.0130.02710.98
5.2.90.0030.06311.03
5.2.80.0000.06311.24
5.2.70.0030.05011.24
5.2.60.0000.03710.87
5.2.50.0000.07010.83
5.2.40.0000.03710.93
5.2.30.0070.04010.91
5.2.20.0070.06010.77
5.2.10.0030.04310.90
5.2.00.0030.03710.76
5.1.60.0030.0279.98
5.1.50.0000.03710.04
5.1.40.0000.03010.01
5.1.30.0100.02310.37
5.1.20.0000.03710.30
5.1.10.0030.03710.10
5.1.00.0030.04310.14
5.0.50.0030.0238.51
5.0.40.0000.0338.39
5.0.30.0030.0538.12
5.0.20.0030.0338.23
5.0.10.0030.0238.06
5.0.00.0030.0378.13
4.4.90.0030.0237.98
4.4.80.0030.0337.98
4.4.70.0070.0277.98
4.4.60.0030.0337.98
4.4.50.0030.0337.98
4.4.40.0000.0507.98
4.4.30.0000.0237.98
4.4.20.0070.0337.98
4.4.10.0000.0207.98
4.4.00.0000.0537.98
4.3.110.0030.0277.98
4.3.100.0000.0177.98
4.3.90.0000.0237.98
4.3.80.0000.0407.98
4.3.70.0000.0177.98
4.3.60.0030.0277.98
4.3.50.0030.0337.98
4.3.40.0070.0477.98
4.3.30.0100.0277.98
4.3.20.0000.0377.98
4.3.10.0000.0207.98
4.3.00.0030.0337.98

preferences:
46.05 ms | 400 KiB | 5 Q