3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mystr_replace($needle,$replace,$haystack){ $args = func_get_args(); if(isset($args[3])){ $count &= $args[3]; } if(is_null($count)) { return str_replace($needle,$replace,$haystack); } else { return str_replace($needle,$replace,$haystack,$count); } } echo mystr_replace("fropfrop","frml","frop"); echo mystr_replace("frop","frml","frop",1);

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)
8.3.60.0130.00716.75
8.3.50.0150.00322.04
8.3.40.0070.01418.82
8.3.30.0110.00419.04
8.3.20.0000.00820.29
8.3.10.0040.00420.48
8.3.00.0050.00319.50
8.2.180.0000.01616.88
8.2.170.0040.01122.96
8.2.160.0130.00020.53
8.2.150.0070.00024.18
8.2.140.0050.00224.66
8.2.130.0090.00026.16
8.2.120.0080.00020.98
8.2.110.0060.00322.02
8.2.100.0070.00718.22
8.2.90.0110.00019.35
8.2.80.0030.00617.97
8.2.70.0040.00817.62
8.2.60.0060.00617.91
8.2.50.0000.00818.07
8.2.40.0030.00517.99
8.2.30.0000.00819.52
8.2.20.0070.00017.82
8.2.10.0000.00718.20
8.2.00.0000.00917.86
8.1.280.0040.01125.92
8.1.270.0080.00023.96
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00323.84
8.1.230.0000.01119.04
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.00
8.1.180.0070.00018.10
8.1.170.0000.00818.72
8.1.160.0030.00622.01
8.1.150.0070.00018.95
8.1.140.0030.00617.56
8.1.130.0000.00717.74
8.1.120.0000.00717.48
8.1.110.0000.00817.38
8.1.100.0000.00717.52
8.1.90.0040.00417.34
8.1.80.0040.00417.52
8.1.70.0000.00717.46
8.1.60.0120.00017.63
8.1.50.0080.00017.52
8.1.40.0000.00717.50
8.1.30.0030.00517.61
8.1.20.0040.00417.63
8.1.10.0050.00317.48
8.1.00.0070.00017.51
8.0.300.0000.00818.77
8.0.290.0000.00816.88
8.0.280.0030.00318.46
8.0.270.0000.01017.27
8.0.260.0030.00317.21
8.0.250.0000.00717.09
8.0.240.0060.00016.99
8.0.230.0000.00717.00
8.0.220.0030.00316.85
8.0.210.0030.00316.86
8.0.200.0040.00417.02
8.0.190.0050.00317.06
8.0.180.0030.00417.00
8.0.170.0040.00417.05
8.0.160.0030.00316.96
8.0.150.0000.00716.96
8.0.140.0100.00016.95
8.0.130.0050.00013.39
8.0.120.0040.00416.93
8.0.110.0000.00716.79
8.0.100.0000.00816.75
8.0.90.0050.00316.80
8.0.80.0100.01017.00
8.0.70.0000.00816.92
8.0.60.0040.00316.76
8.0.50.0000.00716.91
8.0.30.0090.01017.01
8.0.20.0080.01117.40
8.0.10.0000.00716.95
8.0.00.0050.01616.71
7.4.330.0000.00515.14
7.4.320.0040.00416.50
7.4.300.0060.00016.61
7.4.290.0080.00016.60
7.4.280.0000.01016.50
7.4.270.0000.00716.44
7.4.260.0050.00216.64
7.4.250.0030.00616.62
7.4.240.0020.00516.48
7.4.230.0000.00716.63
7.4.220.0070.01016.70
7.4.210.0070.01316.54
7.4.200.0000.00716.63
7.4.160.0040.01216.66
7.4.150.0040.01517.40
7.4.140.0110.00817.86
7.4.130.0090.00716.54
7.4.120.0090.01116.57
7.4.110.0030.01416.72
7.4.100.0070.01016.63
7.4.90.0070.01016.55
7.4.80.0050.01819.39
7.4.70.0060.01016.64
7.4.60.0060.01516.37
7.4.50.0080.00016.73
7.4.40.0030.01916.63
7.4.30.0070.01016.63
7.4.00.0110.00415.15
7.3.330.0000.00513.42
7.3.320.0030.00313.45
7.3.310.0000.00616.48
7.3.300.0040.00416.32
7.3.290.0130.00716.35
7.3.280.0050.01116.30
7.3.270.0070.01117.40
7.3.260.0030.01316.41
7.3.250.0140.00516.42
7.3.240.0030.01316.53
7.3.230.0110.00516.39
7.3.210.0110.00716.21
7.3.200.0140.00619.39
7.3.190.0040.01216.43
7.3.180.0060.00916.59
7.3.170.0080.00816.51
7.3.160.0080.00816.57
7.2.330.0100.00716.63
7.2.320.0100.00716.50
7.2.310.0100.01316.74
7.2.300.0030.01216.76
7.2.290.0150.00616.63
7.2.60.0070.00716.93
7.2.00.0070.00719.38
7.1.200.0000.01315.67
7.1.100.0030.00918.28
7.1.70.0040.00417.20
7.1.60.0130.01019.61
7.1.50.0080.00316.90
7.1.00.0030.07722.35
7.0.200.0000.01016.60
7.0.140.0030.07722.04
7.0.60.0070.06719.87
7.0.50.0070.08017.95
7.0.40.0100.03720.13
7.0.30.0500.06720.06
7.0.20.0300.04020.07
7.0.10.0100.06720.12
7.0.00.0030.08720.09
5.6.280.0000.07021.04
5.6.210.0130.06720.67
5.6.200.0130.07718.16
5.6.190.0130.08320.34
5.6.180.0130.04020.55
5.6.170.0300.04320.51
5.6.160.0070.08720.43
5.6.150.0000.05018.14
5.6.140.0000.04318.15
5.6.130.0000.08718.17
5.6.120.0170.06720.97
5.6.110.0130.07720.89
5.6.100.0170.06721.04
5.6.90.0100.08321.01
5.6.80.0130.06720.41
5.6.70.4600.03320.40
5.5.350.0300.06320.50
5.5.340.0170.07018.03
5.5.330.0030.05720.30
5.5.320.0330.07320.33
5.5.310.0230.04320.41
5.5.300.0100.07017.94
5.5.290.0130.06718.00
5.5.280.0000.09320.78
5.5.270.0100.08320.84
5.5.260.0100.08020.87
5.5.250.0070.04720.71
5.5.240.4300.03720.27
5.4.450.0430.03719.42
5.4.440.0400.04019.46
5.4.430.0170.05019.63
5.4.420.0130.05019.23
5.4.410.0200.05319.16
5.4.400.0130.06019.35
5.4.390.0130.05718.89
5.4.380.0530.07018.83
5.4.370.0400.05018.71
5.4.360.0300.05018.52
5.4.350.0270.06318.73
5.4.340.0170.06318.56
5.4.320.0070.03712.51
5.4.310.0070.04212.50
5.4.300.0060.03712.51
5.4.290.0040.04012.50
5.4.280.0050.03712.40
5.4.270.0090.03612.40
5.4.260.0080.04112.40
5.4.250.0060.03812.39
5.4.240.0100.03212.39
5.4.230.0070.03712.39
5.4.220.0080.03312.39
5.4.210.0070.03412.39
5.4.200.0070.03712.39
5.4.190.0090.03812.39
5.4.180.0070.04312.39
5.4.170.0050.03712.39
5.4.160.0050.03712.39
5.4.150.0060.03612.39
5.4.140.0080.03512.07
5.4.130.0050.03712.06
5.4.120.0050.03912.01
5.4.110.0070.03612.01
5.4.100.0100.03212.01
5.4.90.0050.03712.01
5.4.80.0060.03712.01
5.4.70.0080.03212.01
5.4.60.0050.03912.01
5.4.50.0090.04712.01
5.4.40.0060.04112.00
5.4.30.0080.03312.00
5.4.20.0070.04012.00
5.4.10.0050.03812.00
5.4.00.0080.03411.48
5.3.290.0100.03812.80
5.3.280.0050.04312.70
5.3.270.0110.05112.72
5.3.260.0080.04412.72
5.3.250.0090.03812.72
5.3.240.0030.04012.72
5.3.230.0060.04512.71
5.3.220.0060.04112.68
5.3.210.0110.04012.68
5.3.200.0130.03712.68
5.3.190.0100.04312.68
5.3.180.0090.03912.67
5.3.170.0050.04212.67
5.3.160.0070.03512.67
5.3.150.0060.03712.68
5.3.140.0080.03812.66
5.3.130.0050.05012.66
5.3.120.0070.04212.66
5.3.110.0150.03212.66
5.3.100.0080.03712.11
5.3.90.0070.04212.10
5.3.80.0080.03712.09
5.3.70.0020.04112.09
5.3.60.0060.03712.07
5.3.50.0030.04212.02
5.3.40.0070.03912.02
5.3.30.0090.03611.98
5.3.20.0120.03511.76
5.3.10.0070.03311.73
5.3.00.0070.03511.71
5.2.170.0060.0309.22
5.2.160.0060.0399.21
5.2.150.0050.0339.22
5.2.140.0080.0319.21
5.2.130.0100.0359.17
5.2.120.0070.0269.18
5.2.110.0030.0379.18
5.2.100.0040.0289.18
5.2.90.0050.0339.18
5.2.80.0050.0319.17
5.2.70.0070.0369.17
5.2.60.0060.0319.13
5.2.50.0050.0309.10
5.2.40.0020.0319.07
5.2.30.0060.0299.04
5.2.20.0060.0309.04
5.2.10.0080.0278.94
5.2.00.0070.0288.81
5.1.60.0050.0268.09
5.1.50.0070.0228.09
5.1.40.0040.0258.07
5.1.30.0030.0288.42
5.1.20.0060.0328.43
5.1.10.0030.0308.17
5.1.00.0050.0338.16
5.0.50.0080.0186.64
5.0.40.0060.0196.50
5.0.30.0060.0296.31
5.0.20.0050.0256.28
5.0.10.0060.0186.26
5.0.00.0030.0326.25
4.4.90.0010.0184.78
4.4.80.0050.0204.76
4.4.70.0030.0164.76
4.4.60.0040.0144.76
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0050.0144.76
4.4.20.0020.0164.85
4.4.10.0020.0164.85
4.4.00.0020.0254.76
4.3.110.0050.0144.67
4.3.100.0030.0154.67
4.3.90.0050.0124.63
4.3.80.0030.0244.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0040.0234.53
4.3.30.0030.0183.30
4.3.20.0060.0183.28
4.3.10.0000.0183.24
4.3.00.0030.01313.57

preferences:
50.6 ms | 401 KiB | 5 Q