3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( preg_replace( '/foo/u', 'bar', "\xef\xbf\xbf" ) );

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)
8.3.40.0040.01118.80
8.3.30.0040.01118.67
8.3.20.0080.00018.73
8.3.10.0040.00420.98
8.3.00.0070.00021.90
8.2.170.0030.01422.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.25
8.2.110.0070.01020.38
8.2.100.0040.00817.91
8.2.90.0050.00319.11
8.2.80.0000.00719.47
8.2.70.0030.00617.50
8.2.60.0050.00317.80
8.2.50.0090.00018.07
8.2.40.0000.00718.03
8.2.30.0040.00421.35
8.2.20.0000.00717.66
8.2.10.0050.00217.83
8.2.00.0070.00317.81
8.1.270.0040.00423.99
8.1.260.0150.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00322.42
8.1.230.0050.00520.82
8.1.220.0080.00018.77
8.1.210.0050.00318.88
8.1.200.0030.00617.35
8.1.190.0060.00317.39
8.1.180.0000.00818.10
8.1.170.0040.00418.77
8.1.160.0040.00418.82
8.1.150.0040.00418.53
8.1.140.0000.00717.48
8.1.130.0040.00417.77
8.1.120.0070.00017.39
8.1.110.0020.00517.41
8.1.100.0000.00717.47
8.1.90.0000.00717.45
8.1.80.0080.00017.46
8.1.70.0000.00717.46
8.1.60.0030.00617.61
8.1.50.0000.00817.44
8.1.40.0030.00517.55
8.1.30.0000.00917.68
8.1.20.0030.00617.59
8.1.10.0050.00217.58
8.1.00.0080.00417.51
8.0.300.0040.00419.91
8.0.290.0000.00717.04
8.0.280.0080.00018.21
8.0.270.0040.00417.11
8.0.260.0000.00716.96
8.0.250.0000.00816.95
8.0.240.0030.00717.02
8.0.230.0040.00416.96
8.0.220.0040.00417.00
8.0.210.0040.00316.88
8.0.200.0000.00716.93
8.0.190.0060.00316.97
8.0.180.0000.00716.93
8.0.170.0040.00416.92
8.0.160.0030.00316.99
8.0.150.0040.00416.91
8.0.140.0070.00016.90
8.0.130.0000.00613.39
8.0.120.0000.00816.84
8.0.110.0040.00416.82
8.0.100.0050.00217.03
8.0.90.0000.00716.95
8.0.80.0090.00616.96
8.0.70.0030.00516.80
8.0.60.0000.00716.81
8.0.50.0070.00016.87
8.0.30.0170.00417.08
8.0.20.0110.01017.40
8.0.10.0080.00016.95
8.0.00.0130.00516.81
7.4.330.0000.00516.68
7.4.320.0000.00616.60
7.4.300.0040.00416.52
7.4.290.0000.00716.59
7.4.280.0070.00016.50
7.4.270.0000.00716.67
7.4.260.0060.00013.27
7.4.250.0020.00516.64
7.4.240.0070.00016.73
7.4.230.0070.00016.68
7.4.220.0130.00316.74
7.4.210.0070.01016.70
7.4.200.0040.00416.48
7.4.190.0070.00016.76
7.4.160.0110.00516.70
7.4.150.0160.00317.40
7.4.140.0090.00817.86
7.4.130.0120.00716.59
7.4.120.0150.00616.62
7.4.110.0100.00716.50
7.4.100.0090.00916.59
7.4.90.0120.00616.58
7.4.80.0150.00619.39
7.4.70.0160.00816.44
7.4.60.0120.00916.76
7.4.50.0090.00016.46
7.4.40.0110.00722.77
7.4.30.0080.00816.52
7.4.10.0030.01015.13
7.4.00.0060.00915.18
7.3.330.0030.00313.26
7.3.320.0050.00013.07
7.3.310.0040.00416.29
7.3.300.0030.00316.39
7.3.290.0030.01316.34
7.3.280.0090.01016.32
7.3.270.0090.00917.40
7.3.260.0110.00918.24
7.3.250.0100.00716.49
7.3.240.0210.00016.23
7.3.230.0070.01116.63
7.3.210.0160.00616.29
7.3.200.0170.00719.39
7.3.190.0070.01016.70
7.3.180.0060.01016.30
7.3.170.0130.00716.55
7.3.160.0070.01016.61
7.3.130.0090.00914.80
7.3.120.0050.00914.85
7.3.110.0090.00914.74
7.3.100.0070.01114.88
7.3.90.0040.01114.93
7.3.80.0030.01014.81
7.3.70.0030.01014.89
7.3.60.0040.01114.93
7.3.50.0040.01014.54
7.3.40.0070.01014.80
7.3.30.0030.00514.59
7.3.20.0040.00716.71
7.3.10.0070.00716.67
7.3.00.0110.00316.57
7.2.330.0040.01316.57
7.2.320.0090.01216.59
7.2.310.0100.01416.50
7.2.300.0060.01216.54
7.2.290.0000.01816.33
7.2.260.0070.01115.12
7.2.250.0140.00315.06
7.2.240.0110.00415.06
7.2.230.0140.00315.11
7.2.220.0120.00315.09
7.2.210.0060.00615.13
7.2.200.0060.01215.04
7.2.190.0040.01115.14
7.2.180.0070.00414.78
7.2.170.0060.00915.14
7.2.160.0040.00415.11
7.2.150.0070.00417.07
7.2.140.0030.00916.94
7.2.130.0090.00617.00
7.2.120.0030.01016.97
7.2.110.0000.01416.97
7.2.100.0070.00716.99
7.2.90.0110.00717.04
7.2.80.0080.00816.99
7.2.70.0060.00617.08
7.2.60.0080.00716.91
7.2.50.0060.00916.96
7.2.40.0040.00716.98
7.2.30.0070.01117.01
7.2.20.0070.00716.99
7.2.10.0040.01116.73
7.2.00.0080.00818.16
7.1.330.0030.00915.73
7.1.320.0040.00815.98
7.1.310.0040.00416.06
7.1.300.0070.00315.62
7.1.290.0090.00015.81
7.1.280.0130.00015.77
7.1.270.0040.00715.80
7.1.260.0080.00615.98
7.1.250.0140.00015.92
7.1.240.0030.01015.47
7.1.230.0050.00515.76
7.1.220.0060.00615.82
7.1.210.0030.00715.71
7.1.200.0000.01115.86
7.1.190.0030.01015.75
7.1.180.0070.00716.00
7.1.170.0060.00315.86
7.1.160.0000.01315.80
7.1.150.0080.00015.99
7.1.140.0100.00315.90
7.1.130.0090.00015.55
7.1.120.0040.00815.52
7.1.110.0030.00515.75
7.1.100.0040.01116.95
7.1.90.0070.00715.91
7.1.80.0070.00815.79
7.1.70.0060.00716.55
7.1.60.0130.00717.41
7.1.50.0050.01516.39
7.1.40.0000.01315.65
7.1.30.0070.00415.86
7.1.20.0090.00315.88
7.1.10.0040.00415.59
7.1.00.0060.01719.15
7.0.330.0070.00715.43
7.0.320.0060.00915.29
7.0.310.0000.01315.45
7.0.300.0040.00415.16
7.0.290.0030.01015.58
7.0.280.0050.00515.05
7.0.270.0000.01015.48
7.0.260.0000.01515.52
7.0.250.0070.00315.54
7.0.240.0100.00315.62
7.0.230.0000.01415.09
7.0.220.0030.00615.32
7.0.210.0050.01115.19
7.0.200.0170.00515.12
7.0.190.0040.01215.53
7.0.180.0000.01415.44
7.0.170.0080.00815.75
7.0.160.0030.01015.42
7.0.150.0060.00615.40
7.0.140.0060.04018.78
7.0.130.0050.00815.52
7.0.120.0060.00615.55
7.0.110.0090.00915.41
7.0.100.0000.01515.41
7.0.90.0040.01115.34
7.0.80.0040.00715.64
7.0.70.0080.03018.63
7.0.60.0070.03018.69
7.0.50.0090.03018.78
7.0.40.0020.02816.91
7.0.30.0070.04516.80
7.0.20.0140.03416.85
7.0.10.0030.04716.84
7.0.00.0030.04516.81
5.6.400.0080.00014.08
5.6.390.0140.00014.21
5.6.380.0100.00314.40
5.6.370.0060.00913.71
5.6.360.0040.00813.96
5.6.350.0110.00713.72
5.6.340.0030.01014.05
5.6.330.0000.01114.27
5.6.320.0000.01114.18
5.6.310.0110.00314.32
5.6.300.0060.00614.20
5.6.290.0080.00014.23
5.6.280.0020.04117.60
5.6.270.0110.00013.91
5.6.260.0070.00314.29
5.6.250.0070.00314.18
5.6.240.0100.00314.35
5.6.230.0090.00614.11
5.6.220.0110.04417.32
5.6.210.0020.05317.41
5.6.200.0080.04517.55
5.6.190.0020.03917.50
5.6.180.0030.04517.71
5.6.170.0070.03517.51
5.6.160.0020.04817.60
5.6.150.0100.02517.62
5.6.140.0060.04817.72
5.6.130.0090.03817.57
5.6.120.0070.03217.59
5.6.110.0060.04617.61
5.6.100.0050.04717.74
5.6.90.0100.04517.53
5.6.80.0070.04217.17
5.6.70.0050.04517.21
5.6.60.0080.04217.17
5.6.50.0080.03717.24
5.6.40.0120.03717.24
5.6.30.0100.04317.25
5.6.20.0050.03817.31
5.6.10.0050.04717.21
5.6.00.0070.03217.25
5.5.380.0120.00314.23
5.5.370.0060.00914.15
5.5.360.0070.04517.33
5.5.350.0050.04517.18
5.5.340.0070.04017.40
5.5.330.0060.02817.48
5.5.320.0100.03317.35
5.5.310.0060.03617.55
5.5.300.0040.05417.48
5.5.290.0050.04617.50
5.5.280.0060.05117.33
5.5.270.0070.04717.45
5.5.260.0030.05217.34
5.5.250.0080.04517.32
5.5.240.0070.02317.02
5.5.230.0130.04017.10
5.5.220.0030.04317.11
5.5.210.0070.04117.07
5.5.200.0050.03217.10
5.5.190.0070.03717.00
5.5.180.0050.03517.18
5.5.170.0080.00614.13
5.5.160.0050.02517.06
5.5.150.0050.04117.03
5.5.140.0030.05117.17
5.5.130.0060.04217.20
5.5.120.0110.03817.23
5.5.110.0100.03017.19
5.5.100.0080.02617.14
5.5.90.0060.03116.97
5.5.80.0030.03517.06
5.5.70.0030.05016.99
5.5.60.0130.03816.88
5.5.50.0070.04317.09
5.5.40.0140.03717.05
5.5.30.0080.04617.00
5.5.20.0060.04116.97
5.5.10.0100.03817.13
5.5.00.0100.04316.91
5.4.450.0120.04215.87
5.4.440.0030.02515.70
5.4.430.0050.03915.79
5.4.420.0070.04215.87
5.4.410.0060.03515.76
5.4.400.0050.04315.64
5.4.390.0070.03715.54
5.4.380.0050.04215.67
5.4.370.0070.04215.71
5.4.360.0070.03015.70
5.4.350.0020.04815.67
5.4.340.0050.03615.66
5.4.330.0030.00612.30
5.4.320.0090.02715.55
5.4.310.0110.03615.70
5.4.300.0080.03715.66
5.4.290.0030.04515.64
5.4.280.0060.03515.76
5.4.270.0100.04215.71
5.4.260.0060.04115.67
5.4.250.0020.03715.70
5.4.240.0050.03815.67
5.4.230.0050.04215.64
5.4.220.0050.04515.66
5.4.210.0030.04115.54
5.4.200.0080.03315.72
5.4.190.0080.03515.66
5.4.180.0030.03315.63
5.4.170.0060.04115.62
5.4.160.0030.04215.65
5.4.150.0100.03615.62
5.4.140.0050.04214.29
5.4.130.0080.03514.28
5.4.120.0030.04114.31
5.4.110.0020.04014.31
5.4.100.0070.02714.36
5.4.90.0030.02814.30
5.4.80.0070.02714.25
5.4.70.0080.03714.29
5.4.60.0050.04214.24
5.4.50.0020.03614.26
5.4.40.0060.03814.38
5.4.30.0050.03914.36
5.4.20.0050.02214.35
5.4.10.0070.02514.26
5.4.00.0050.03514.08
5.3.290.0040.03813.47
5.3.280.0090.03913.42
5.3.270.0020.03113.43
5.3.260.0070.03913.36
5.3.250.0060.04613.43
5.3.240.0060.03413.40
5.3.230.0040.02913.44
5.3.220.0070.04013.42
5.3.210.0050.04413.40
5.3.200.0020.04413.35
5.3.190.0110.03713.34
5.3.180.0090.03713.35
5.3.170.0050.04213.39
5.3.160.0080.03813.38
5.3.150.0050.03413.41
5.3.140.0080.04113.40
5.3.130.0050.04313.40
5.3.120.0080.03113.34
5.3.110.0060.04113.34
5.3.100.0040.03713.15
5.3.90.0020.04013.15
5.3.80.0050.04013.16
5.3.70.0040.04513.15
5.3.60.0120.03813.08
5.3.50.0050.04513.05
5.3.40.0050.02813.10
5.3.30.0070.03713.03
5.3.20.0050.03112.92
5.3.10.0070.03812.93
5.3.00.0050.03312.85
5.2.170.0030.05013.14
5.2.160.0030.06313.14
5.2.150.0070.05713.14
5.2.140.0030.06313.14
5.2.130.0000.06013.14
5.2.120.0070.05713.14
5.2.110.0170.05313.14
5.2.100.0000.04313.14
5.2.90.0000.03713.14
5.2.80.0030.06713.14
5.2.70.0070.03713.14
5.2.60.0000.05313.14
5.2.50.0030.06713.14
5.2.40.0130.02713.14
5.2.30.0100.05713.14
5.2.20.0100.05713.14
5.2.10.0030.06313.14
5.2.00.0070.06013.14
5.1.60.0030.05713.14
5.1.50.0130.05013.14
5.1.40.0030.05313.14
5.1.30.0000.06313.14
5.1.20.0000.04713.14
5.1.10.0000.06313.14
5.1.00.0130.04313.14
5.0.50.0030.04713.14
5.0.40.0000.04713.14
5.0.30.0070.06313.14
5.0.20.0000.04713.14
5.0.10.0030.04313.14
5.0.00.0030.06313.14
4.4.90.0030.03313.14
4.4.80.0030.03313.14
4.4.70.0030.03313.14
4.4.60.0030.03313.14
4.4.50.0000.03313.14
4.4.40.0030.04313.14
4.4.30.0000.03713.14
4.4.20.0000.03713.14
4.4.10.0000.03313.14
4.4.00.0000.05713.14
4.3.110.0000.03313.14
4.3.100.0030.02713.14
4.3.90.0000.03013.14
4.3.80.0030.03313.14
4.3.70.0000.03713.14
4.3.60.0030.03013.14
4.3.50.0000.03313.14
4.3.40.0070.04713.14
4.3.30.0000.03713.14
4.3.20.0000.03713.14
4.3.10.0030.03313.14
4.3.00.0000.03313.14

preferences:
39.57 ms | 400 KiB | 5 Q