3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count = 10000; $string = 'sdfhksdhfsdfhjskfhsdfhs_kshfksdhfksdhfsjkd_kjsdfhksdfhjsdfhsdj_jsdfhkshfj'; for ($i = 0; $i < $count; $i++) { $stringReplace = str_replace('_', ' ', $string); } echo $string.PHP_EOL; echo $stringReplace;

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)
8.3.60.0080.00818.43
8.3.50.0150.00721.07
8.3.40.0120.00318.70
8.3.30.0040.01118.86
8.3.20.0030.00520.18
8.3.10.0030.00620.40
8.3.00.0060.00319.25
8.2.180.0040.01216.32
8.2.170.0080.00822.96
8.2.160.0120.00320.35
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00422.23
8.2.110.0100.00020.53
8.2.100.0070.00717.66
8.2.90.0000.00918.16
8.2.80.0080.00317.97
8.2.70.0030.00717.63
8.2.60.0050.00518.04
8.2.50.0030.00918.07
8.2.40.0000.00918.16
8.2.30.0040.00418.06
8.2.20.0050.00517.62
8.2.10.0050.00518.12
8.2.00.0090.00017.64
8.1.280.0130.01025.92
8.1.270.0040.00423.96
8.1.260.0040.00426.35
8.1.250.0030.00628.09
8.1.240.0060.00322.12
8.1.230.0060.00621.04
8.1.220.0090.00017.76
8.1.210.0000.00918.91
8.1.200.0070.00417.35
8.1.190.0030.00617.23
8.1.180.0060.00318.10
8.1.170.0030.00618.50
8.1.160.0000.00821.86
8.1.150.0000.00918.85
8.1.140.0060.00317.32
8.1.130.0000.00817.74
8.1.120.0060.00317.42
8.1.110.0030.00617.29
8.1.100.0000.00817.43
8.1.90.0050.00317.45
8.1.80.0050.00317.47
8.1.70.0000.00817.27
8.1.60.0070.00317.41
8.1.50.0000.00917.50
8.1.40.0060.00317.47
8.1.30.0000.01017.45
8.1.20.0030.00617.59
8.1.10.0000.00917.50
8.1.00.0000.00917.42
8.0.300.0000.00820.21
8.0.290.0030.00616.63
8.0.280.0040.00418.34
8.0.270.0000.00817.23
8.0.260.0030.00517.14
8.0.250.0050.00316.93
8.0.240.0000.00816.93
8.0.230.0040.00416.98
8.0.220.0040.00416.86
8.0.210.0000.00816.89
8.0.200.0040.00416.99
8.0.190.0030.00516.84
8.0.180.0060.00316.82
8.0.170.0060.00316.91
8.0.160.0000.00916.84
8.0.150.0000.00816.81
8.0.140.0030.00516.83
8.0.130.0000.00613.36
8.0.120.0030.00616.92
8.0.110.0090.00016.90
8.0.100.0030.00616.83
8.0.90.0040.00416.77
8.0.80.0080.00816.93
8.0.70.0000.00816.74
8.0.60.0050.00316.94
8.0.50.0040.00416.79
8.0.30.0120.00917.14
8.0.20.0110.01317.40
8.0.10.0030.00616.95
8.0.00.0110.00816.70
7.4.330.0030.00315.02
7.4.320.0050.00516.41
7.4.300.0030.00616.54
7.4.290.0000.00816.54
7.4.280.0030.00616.41
7.4.270.0040.00416.34
7.4.260.0060.00316.41
7.4.250.0000.00816.51
7.4.240.0040.00416.56
7.4.230.0040.00416.46
7.4.220.0030.01616.61
7.4.210.0030.01916.41
7.4.200.0000.00816.63
7.4.160.0060.01216.51
7.4.150.0140.01117.40
7.4.140.0100.01017.86
7.4.130.0090.00916.40
7.4.120.0060.01216.50
7.4.110.0130.00616.36
7.4.100.0000.01816.39
7.4.90.0130.00516.50
7.4.80.0060.01619.39
7.4.70.0160.00316.55
7.4.60.0140.00316.43
7.4.50.0030.00316.24
7.4.40.0110.00716.47
7.4.30.0100.01016.50
7.4.00.0060.01214.98
7.3.330.0040.00313.11
7.3.320.0030.00313.11
7.3.310.0040.00416.31
7.3.300.0050.00316.18
7.3.290.0040.01216.38
7.3.280.0090.01116.29
7.3.270.0090.01517.40
7.3.260.0070.01416.50
7.3.250.0070.01316.51
7.3.240.0120.00916.59
7.3.230.0100.01016.39
7.3.210.0030.01516.59
7.3.200.0100.00819.39
7.3.190.0140.00716.35
7.3.180.0040.01516.19
7.3.170.0070.01016.37
7.3.160.0060.01216.29
7.2.330.0070.01316.68
7.2.320.0120.00616.59
7.2.310.0110.00616.61
7.2.300.0150.00416.84
7.2.290.0100.01316.79
7.2.60.0090.00917.00
7.2.00.0040.01419.51
7.1.200.0040.01115.88
7.1.100.0060.00618.20
7.1.70.0040.01117.19
7.1.60.0100.01619.32
7.1.50.0070.01416.66
7.1.00.0070.07722.36
7.0.200.0030.00916.83
7.0.140.0070.07322.14
7.0.60.0100.06019.91
7.0.50.0130.07317.77
7.0.40.0070.04719.98
7.0.30.0530.08020.20
7.0.20.0270.04020.22
7.0.10.0200.04720.12
7.0.00.0030.04320.12
5.6.280.0030.07720.82
5.6.210.0030.06720.62
5.6.200.0000.04718.22
5.6.190.0000.05020.43
5.6.180.3730.05020.35
5.6.170.0200.06020.47
5.6.160.0100.06720.38
5.6.150.0100.04018.16
5.6.140.0130.03318.18
5.6.130.0070.07018.19
5.6.120.0070.05321.02
5.6.110.0070.08721.13
5.6.100.0070.07321.00
5.6.90.0100.07321.00
5.6.80.0100.05020.28
5.6.70.4570.04720.47
5.5.350.0170.05320.46
5.5.340.0070.04317.99
5.5.330.0130.08020.06
5.5.320.0230.05020.21
5.5.310.0070.05320.29
5.5.300.0030.07717.96
5.5.290.0100.08717.98
5.5.280.0130.08320.87
5.5.270.0100.05020.89
5.5.260.0070.09020.64
5.5.250.0030.07720.49
5.5.240.0070.04020.28
5.4.450.0330.05019.42
5.4.440.0670.06019.49
5.4.430.0500.06319.49
5.4.420.0670.00019.52
5.4.410.0670.00019.15
5.4.400.0700.00019.16
5.4.390.0670.00019.00
5.4.380.0700.00019.16
5.4.370.0630.00018.92
5.4.360.0730.00019.00
5.4.350.0670.00019.13
5.4.340.0670.00019.09
5.4.320.0050.03912.45
5.4.310.0070.03912.45
5.4.300.0040.04012.46
5.4.290.0060.04112.45
5.4.280.0060.03712.35
5.4.270.0070.03912.35
5.4.260.0040.04112.35
5.4.250.0070.04312.35
5.4.240.0030.04112.35
5.4.230.0050.04712.34
5.4.220.0060.04412.34
5.4.210.0050.04312.34
5.4.200.0050.04512.34
5.4.190.0070.05012.34
5.4.180.0060.04012.34
5.4.170.0100.03512.35
5.4.160.0050.04512.34
5.4.150.0050.03912.34
5.4.140.0050.03912.02
5.4.130.0090.04112.01
5.4.120.0090.03611.97
5.4.110.0090.03711.97
5.4.100.0050.04111.96
5.4.90.0040.04411.96
5.4.80.0100.03711.96
5.4.70.0060.03811.96
5.4.60.0070.03811.96
5.4.50.0070.04611.96
5.4.40.0050.03711.95
5.4.30.0080.03611.95
5.4.20.0050.03811.95
5.4.10.0090.03411.95
5.4.00.0040.04211.44
5.3.290.0060.05312.80
5.3.280.0060.04912.70
5.3.270.0050.04912.72
5.3.260.0080.04612.71
5.3.250.0070.04012.71
5.3.240.0070.03912.72
5.3.230.0040.04312.71
5.3.220.0070.04012.68
5.3.210.0050.04412.68
5.3.200.0070.03912.68
5.3.190.0050.04112.68
5.3.180.0070.03912.68
5.3.170.0060.04612.67
5.3.160.0050.04012.68
5.3.150.0080.04312.67
5.3.140.0050.04512.66
5.3.130.0060.04212.66
5.3.120.0090.04512.66
5.3.110.0050.05012.66
5.3.100.0070.05512.11
5.3.90.0060.04212.09
5.3.80.0050.04012.08
5.3.70.0040.04112.07
5.3.60.0040.04212.06
5.3.50.0050.04112.00
5.3.40.0070.03912.00
5.3.30.0060.03811.94
5.3.20.0030.04111.72
5.3.10.0050.03911.69
5.3.00.0040.04111.68
5.2.170.0100.0289.18
5.2.160.0060.0319.18
5.2.150.0060.0329.18
5.2.140.0050.0339.18
5.2.130.0060.0339.13
5.2.120.0040.0349.14
5.2.110.0060.0319.14
5.2.100.0070.0309.14
5.2.90.0080.0299.14
5.2.80.0050.0349.13
5.2.70.0020.0369.13
5.2.60.0050.0409.09
5.2.50.0050.0329.06
5.2.40.0090.0279.03
5.2.30.0070.0319.01
5.2.20.0040.0339.00
5.2.10.0060.0318.92
5.2.00.0060.0328.78
5.1.60.0030.0298.06
5.1.50.0050.0288.05
5.1.40.0050.0288.04
5.1.30.0060.0308.39
5.1.20.0060.0398.41
5.1.10.0060.0298.14
5.1.00.0060.0278.13
5.0.50.0030.0306.61
5.0.40.0020.0286.48
5.0.30.0050.0366.29
5.0.20.0010.0286.26
5.0.10.0030.0286.23
5.0.00.0030.0476.23
4.4.90.0020.0224.77
4.4.80.0020.0234.76
4.4.70.0010.0244.75
4.4.60.0020.0234.75
4.4.50.0040.0204.77
4.4.40.0030.0314.71
4.4.30.0030.0214.76
4.4.20.0030.0224.84
4.4.10.0010.0234.85
4.4.00.0020.0314.76
4.3.110.0040.0204.67
4.3.100.0020.0234.66
4.3.90.0030.0244.63
4.3.80.0010.0324.59
4.3.70.0030.0204.63
4.3.60.0040.0254.63
4.3.50.0060.0194.63
4.3.40.0040.0324.54
4.3.30.0010.0233.29
4.3.20.0020.0213.26
4.3.10.0010.0213.22
4.3.00.0300.02013.59

preferences:
39.58 ms | 401 KiB | 5 Q