3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( preg_replace( '/foo/u', 'bar', "\xED\xA0\x81\xED\xB0\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)
8.3.60.0170.00318.43
8.3.50.0080.01121.27
8.3.40.0070.00718.97
8.3.30.0140.00018.84
8.3.20.0060.00318.77
8.3.10.0000.00719.16
8.3.00.0080.00023.66
8.2.180.0120.00616.62
8.2.170.0070.00722.96
8.2.160.0100.00320.30
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0050.00321.07
8.2.110.0070.00319.33
8.2.100.0040.00817.91
8.2.90.0000.00818.89
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0000.00917.55
8.2.50.0060.00318.10
8.2.40.0040.00418.03
8.2.30.0040.00419.80
8.2.20.0050.00217.74
8.2.10.0040.00417.83
8.2.00.0040.00417.77
8.1.280.0100.00325.92
8.1.270.0030.00523.99
8.1.260.0060.00926.35
8.1.250.0070.00028.09
8.1.240.0090.00019.25
8.1.230.0130.00017.71
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.70
8.1.160.0040.00418.79
8.1.150.0070.00018.66
8.1.140.0040.00417.52
8.1.130.0030.00317.82
8.1.120.0030.00317.40
8.1.110.0050.00317.52
8.1.100.0030.00417.40
8.1.90.0000.00717.38
8.1.80.0070.00017.47
8.1.70.0000.00717.50
8.1.60.0000.00817.59
8.1.50.0040.00417.37
8.1.40.0030.00617.43
8.1.30.0000.00817.57
8.1.20.0040.00417.71
8.1.10.0030.00517.43
8.1.00.0000.00917.45
8.0.300.0040.00418.77
8.0.290.0080.00016.88
8.0.280.0000.00818.29
8.0.270.0040.00717.06
8.0.260.0040.00416.82
8.0.250.0080.00016.95
8.0.240.0030.00517.04
8.0.230.0000.00717.07
8.0.220.0030.00316.86
8.0.210.0000.00716.96
8.0.200.0060.00017.07
8.0.190.0030.00317.09
8.0.180.0070.00016.88
8.0.170.0000.00717.01
8.0.160.0000.00816.99
8.0.150.0080.00016.98
8.0.140.0060.00316.86
8.0.130.0000.00613.43
8.0.120.0040.00416.88
8.0.110.0030.00516.96
8.0.100.0000.00716.86
8.0.90.0000.00716.96
8.0.80.0070.01017.03
8.0.70.0000.00816.98
8.0.60.0040.00417.02
8.0.50.0000.00716.88
8.0.30.0090.01116.95
8.0.20.0080.01117.40
8.0.10.0000.00817.02
8.0.00.0090.00716.70
7.4.330.0030.00314.85
7.4.320.0000.00716.66
7.4.300.0030.00316.50
7.4.290.0030.00316.70
7.4.280.0000.00816.62
7.4.270.0000.00716.57
7.4.260.0070.00013.40
7.4.250.0000.00816.63
7.4.240.0040.00416.52
7.4.230.0000.00716.50
7.4.220.0070.01316.66
7.4.210.0110.00816.68
7.4.200.0070.00016.55
7.4.190.0070.00016.81
7.4.160.0030.01216.45
7.4.150.0190.00617.40
7.4.140.0110.00617.86
7.4.130.0120.00516.72
7.4.120.0130.00416.49
7.4.110.0190.00316.79
7.4.100.0060.01016.47
7.4.90.0070.01116.54
7.4.80.0090.00919.37
7.4.70.0080.00916.68
7.4.60.0070.01016.52
7.4.50.0060.00316.35
7.4.40.0040.01522.52
7.4.30.0030.01316.77
7.4.00.0000.01814.93
7.3.330.0000.00613.09
7.3.320.0000.00513.32
7.3.310.0070.00016.29
7.3.300.0030.00316.39
7.3.290.0140.00416.38
7.3.280.0080.00816.35
7.3.270.0120.00417.40
7.3.260.0110.00618.24
7.3.250.0160.02016.36
7.3.240.0030.01616.52
7.3.230.0070.01116.39
7.3.210.0080.01116.57
7.3.200.0030.01619.39
7.3.190.0060.00916.63
7.3.180.0090.00916.54
7.3.170.0080.00816.32
7.3.160.0110.00416.51
7.3.120.0030.00915.15
7.2.330.0060.01316.59
7.2.320.0030.01716.58
7.2.310.0080.00816.50
7.2.300.0090.01316.39
7.2.290.0100.01016.40
7.2.00.0000.01619.14
7.1.100.0000.01117.95
7.1.70.0110.00417.16
7.1.60.0070.01117.16
7.1.50.0120.00317.04
7.1.40.0080.00316.89
7.1.30.0100.00716.74
7.1.20.0110.00717.02
7.1.10.0100.00516.70
7.1.00.0040.00416.59
7.0.200.0090.00616.65
7.0.190.0000.01116.52
7.0.180.0040.01116.02
7.0.170.0000.01216.47
7.0.160.0080.00416.08
7.0.150.0000.01316.15
7.0.140.0160.00316.33
7.0.130.0110.00716.21
7.0.120.0100.00316.48
7.0.110.0080.00416.26
7.0.100.0040.00816.55
7.0.90.0050.00716.29
7.0.80.0040.00816.30
7.0.70.0130.00016.55
7.0.60.0100.00716.23
7.0.50.0140.00716.32
7.0.40.0130.01015.54
7.0.30.0040.01615.54
7.0.20.0060.00615.54
7.0.10.0050.00815.54
7.0.00.0040.00715.54
5.6.300.0160.03120.61
5.6.290.0100.05520.73
5.6.280.0070.04620.99
5.6.270.0000.05020.75
5.6.260.0070.05620.79
5.6.250.0070.04320.80
5.6.240.0200.08320.88
5.6.230.0070.04620.76
5.6.220.0130.03920.85
5.6.210.0100.07320.61
5.6.200.0030.08420.77
5.6.190.0000.08320.89
5.6.180.0040.05020.76
5.6.170.0100.04620.96
5.6.160.0140.07920.90
5.6.150.0100.05420.77
5.6.140.0060.04520.95
5.6.130.0030.04720.88
5.6.120.0100.04120.72
5.6.110.0100.03820.72
5.6.100.0040.07220.75
5.6.90.0160.06020.89
5.6.80.0030.04320.14
5.6.70.0040.05020.11
5.6.60.0040.05620.27
5.6.50.0100.07020.25
5.6.40.0060.05120.13
5.6.30.0140.06120.26
5.6.20.0030.04820.27
5.6.10.0150.03520.33
5.6.00.0100.03920.27
5.5.380.0030.04517.41
5.5.370.0030.08017.35
5.5.360.0100.04617.38
5.5.350.0090.03817.38
5.5.340.0030.07617.84
5.5.330.0000.06617.92
5.5.320.0070.04317.94
5.5.310.0030.06317.92
5.5.300.0030.04417.91
5.5.290.0030.04517.96
5.5.280.0000.04917.72
5.5.270.0120.03417.68
5.5.260.0070.06417.68
5.5.250.0100.03817.66
5.5.240.0000.05417.21
5.5.230.0070.03417.32
5.5.220.0060.03517.32
5.5.210.0060.04617.29
5.5.200.0000.05817.27
5.5.190.0070.04117.26
5.5.180.0070.07817.14
5.5.160.0070.03617.39
5.5.150.0030.04417.30
5.5.140.0040.04017.44
5.5.130.0060.03517.28
5.5.120.0070.03617.05
5.5.110.0030.03917.30
5.5.100.0070.04017.30
5.5.90.0090.03417.29
5.5.80.0090.03117.24
5.5.70.0030.04117.16
5.5.60.0030.04417.24
5.5.50.0030.04917.17
5.5.40.0000.04217.29
5.5.30.0060.04217.23
5.5.20.0230.04017.19
5.5.10.0070.03617.15
5.5.00.0040.04417.07
5.4.450.0100.03819.31
5.4.440.0130.03819.18
5.4.430.0000.04519.39
5.4.420.0030.06219.19
5.4.410.0030.04319.07
5.4.400.0100.03518.93
5.4.390.0070.03418.88
5.4.380.0060.03919.05
5.4.370.0070.03718.93
5.4.360.0000.04718.86
5.4.350.0100.07619.05
5.4.340.0090.03718.94
5.4.320.0100.04818.98
5.4.310.0090.03719.03
5.4.300.0070.04319.05
5.4.290.0030.04218.88
5.4.280.0070.04419.11
5.4.270.0000.04918.83
5.4.260.0070.04219.01
5.4.250.0230.03719.05
5.4.240.0000.04519.12
5.4.230.0000.04519.06
5.4.220.0090.05918.79
5.4.210.0070.04019.11
5.4.200.0030.04019.09
5.4.190.0070.04018.89
5.4.180.0070.03819.07
5.4.170.0070.03919.12
5.4.160.0060.03719.11
5.4.150.0030.04219.11
5.4.140.0070.03716.54
5.4.130.0040.03916.45
5.4.120.0000.04816.39
5.4.110.0060.04116.59
5.4.100.0030.04016.65
5.4.90.0070.03316.67
5.4.80.0030.03916.45
5.4.70.0070.03516.65
5.4.60.0100.04216.61
5.4.50.0030.03716.62
5.4.40.0000.04016.44
5.4.30.0030.03816.40
5.4.20.0070.04416.45
5.4.10.0030.04216.60
5.4.00.0000.04315.77
5.3.290.0030.04215.54
5.3.280.0130.03915.54
5.3.270.0060.03515.54
5.3.260.0090.04015.54
5.3.250.0000.04415.54
5.3.240.0170.04615.54
5.3.230.0060.03915.54
5.3.220.0030.04115.54
5.3.210.0000.04115.54
5.3.200.0070.03815.54
5.3.190.0070.05515.54
5.3.180.0070.03615.54
5.3.170.0000.04015.54
5.3.160.0000.04415.54
5.3.150.0000.03815.54
5.3.140.0000.06515.54
5.3.130.0090.03415.54
5.3.120.0200.05115.54
5.3.110.0060.03915.54
5.3.100.0100.05115.54
5.3.90.0000.03815.54
5.3.80.0030.05915.54
5.3.70.0030.07215.54
5.3.60.0060.04015.54
5.3.50.0030.04015.54
5.3.40.0000.03915.54
5.3.30.0040.04615.54
5.3.20.0030.03515.54
5.3.10.0030.03415.54
5.3.00.0000.03815.54

preferences:
38.55 ms | 401 KiB | 5 Q