3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="ab_AB_ab"; echo str_replace("ab","xy",$str);

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)
8.3.40.0140.00718.84
8.3.30.0030.01020.29
8.3.20.0070.00020.15
8.3.10.0040.00422.09
8.3.00.0000.00822.37
8.2.170.0140.00022.96
8.2.160.0110.00322.30
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00920.64
8.2.110.0060.00320.36
8.2.100.0080.00417.76
8.2.90.0070.00019.17
8.2.80.0080.00019.28
8.2.70.0050.00517.63
8.2.60.0030.00517.93
8.2.50.0000.00818.07
8.2.40.0040.00418.28
8.2.30.0020.00519.50
8.2.20.0020.00517.57
8.2.10.0050.00317.62
8.2.00.0080.00317.49
8.1.270.0030.00523.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0060.00322.59
8.1.230.0040.00821.03
8.1.220.0040.00418.77
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.18
8.1.180.0040.00418.10
8.1.170.0080.00018.47
8.1.160.0030.00418.76
8.1.150.0000.00718.48
8.1.140.0050.00217.38
8.1.130.0030.00317.70
8.1.120.0030.00717.29
8.1.110.0000.00817.37
8.1.100.0080.00017.42
8.1.90.0080.00017.45
8.1.80.0000.00717.35
8.1.70.0040.00417.41
8.1.60.0020.00517.52
8.1.50.0050.00317.34
8.1.40.0050.00217.44
8.1.30.0060.00317.55
8.1.20.0030.00617.58
8.1.10.0040.00417.37
8.1.00.0000.00817.33
8.0.300.0000.00719.94
8.0.290.0040.00417.04
8.0.280.0000.00818.44
8.0.270.0000.00717.21
8.0.260.0060.00016.73
8.0.250.0030.00316.83
8.0.240.0060.00316.87
8.0.230.0030.00316.79
8.0.220.0070.00016.84
8.0.210.0070.00016.76
8.0.200.0000.00716.80
8.0.190.0030.00316.76
8.0.180.0040.00416.89
8.0.170.0040.00416.73
8.0.160.0070.00016.77
8.0.150.0030.00516.70
8.0.140.0080.00316.74
8.0.130.0000.00513.22
8.0.120.0080.00016.80
8.0.110.0040.00416.67
8.0.100.0050.00216.89
8.0.90.0000.00716.86
8.0.80.0060.00916.71
8.0.70.0050.00216.86
8.0.60.0000.00716.73
8.0.50.0080.00016.89
8.0.30.0130.00617.04
8.0.20.0090.00917.40
8.0.10.0000.00717.01
8.0.00.0080.01116.63
7.4.330.0040.00016.90
7.4.320.0060.00016.46
7.4.300.0030.00316.54
7.4.290.0000.00716.36
7.4.280.0040.00416.35
7.4.270.0070.00016.52
7.4.260.0000.00513.17
7.4.250.0030.00616.41
7.4.240.0040.00416.46
7.4.230.0000.00716.19
7.4.220.0100.00716.36
7.4.210.0120.00816.48
7.4.200.0030.00516.65
7.4.190.0000.00716.68
7.4.160.0080.00816.44
7.4.150.0130.01017.40
7.4.140.0100.01117.86
7.4.130.0080.01216.43
7.4.120.0080.00916.39
7.4.110.0070.01016.35
7.4.100.0120.00616.42
7.4.90.0030.01316.23
7.4.80.0060.00919.39
7.4.70.0080.00816.49
7.4.60.0070.01016.57
7.4.50.0040.00416.22
7.4.40.0100.00722.77
7.4.30.0160.00016.51
7.4.00.0060.01014.63
7.3.330.0060.00012.90
7.3.320.0030.00313.05
7.3.310.0050.00316.14
7.3.300.0000.00716.09
7.3.290.0110.00716.05
7.3.280.0070.01016.13
7.3.270.0060.01117.40
7.3.260.0110.01116.50
7.3.250.0080.00816.31
7.3.240.0170.00016.05
7.3.230.0060.01216.39
7.3.210.0090.00916.37
7.3.200.0030.01319.39
7.3.190.0100.00716.10
7.3.180.0100.00816.22
7.3.170.0110.01116.27
7.3.160.0040.01416.15
7.3.120.0050.00514.77
7.2.330.0160.01316.18
7.2.320.0090.00916.55
7.2.310.0090.00916.54
7.2.300.0110.00616.43
7.2.290.0070.01316.32
7.2.00.0000.01418.96
7.1.100.0040.00817.80
7.1.70.0090.00617.09
7.1.60.0070.01619.17
7.1.50.0200.01734.65
7.1.00.0100.07022.40
7.0.200.0030.00316.76
7.0.140.0070.07022.10
7.0.100.0100.07319.88
7.0.90.0070.07719.91
7.0.80.0170.08019.79
7.0.70.0170.06319.83
7.0.60.0070.07319.87
7.0.50.0100.08020.34
7.0.40.0100.07719.97
7.0.30.0030.08020.08
7.0.20.0100.08020.12
7.0.10.0100.06720.16
7.0.00.0000.08720.05
5.6.280.0030.07021.05
5.6.250.0070.06320.71
5.6.240.0100.08720.52
5.6.230.0070.08320.53
5.6.220.0130.08720.62
5.6.210.0030.08020.41
5.6.200.0030.08021.00
5.6.190.0230.03321.10
5.6.180.0100.04320.94
5.6.170.0130.06020.98
5.6.160.0100.03721.16
5.6.150.0100.07721.16
5.6.140.0100.07720.92
5.6.130.0100.08321.02
5.6.120.0070.04721.00
5.6.110.0100.05021.00
5.6.100.0130.06721.05
5.6.90.0200.07321.05
5.6.80.0170.06320.31
5.6.70.0070.07320.38
5.6.60.0070.08020.40
5.6.50.0130.08020.45
5.6.40.0070.04720.48
5.6.30.0170.07020.52
5.6.20.0070.07320.51
5.6.10.0030.08720.36
5.6.00.0200.06020.43
5.5.380.0170.06720.36
5.5.370.0100.08320.30
5.5.360.0130.04320.43
5.5.350.0170.07320.31
5.5.340.0130.07020.89
5.5.330.0100.06720.76
5.5.320.0170.07720.91
5.5.310.0030.04320.74
5.5.300.0070.07320.82
5.5.290.0100.07020.82
5.5.280.0030.08020.82
5.5.270.0100.08020.91
5.5.260.0100.05020.80
5.5.250.0070.07320.68
5.5.240.0200.06720.16
5.5.230.0130.07720.10
5.5.220.0070.08320.22
5.5.210.0070.07720.23
5.5.200.0130.05320.26
5.5.190.0200.07320.07
5.5.180.0130.06720.11
5.5.160.0070.08320.15
5.5.150.0170.07720.20
5.5.140.0000.09020.22
5.5.130.0030.06320.27
5.5.120.0170.07020.19
5.5.110.0100.08020.21
5.5.100.0030.07320.09
5.5.90.0070.06720.05
5.5.80.0100.07020.15
5.5.70.0130.07720.10
5.5.60.0100.05020.15
5.5.50.0070.08020.18
5.5.40.0130.08019.88
5.5.30.0130.07720.08
5.5.20.0130.04320.11
5.5.10.0130.07019.95
5.5.00.0100.08320.02
5.4.450.0100.07719.28
5.4.440.0030.04719.37
5.4.430.0130.07719.28
5.4.420.0070.04319.42
5.4.410.0070.07019.43
5.4.400.0030.07319.08
5.4.390.0070.08018.81
5.4.380.0070.06719.13
5.4.370.0200.06719.14
5.4.360.0070.05318.95
5.4.350.0030.08719.03
5.4.340.0070.07019.00
5.4.320.0000.07319.05
5.4.310.0030.07719.13
5.4.300.0030.07719.05
5.4.290.0100.07319.05
5.4.280.0100.08018.80
5.4.270.0070.08018.81
5.4.260.0000.09018.96
5.4.250.0030.05318.80
5.4.240.0170.07019.14
5.4.230.0100.04318.78
5.4.220.0030.08319.24
5.4.210.0070.07319.04
5.4.200.0070.07319.06
5.4.190.0170.06319.04
5.4.180.0130.04719.11
5.4.170.0100.05319.06
5.4.160.0130.07019.03
5.4.150.0130.07319.09
5.4.140.0070.07716.30
5.4.130.0130.06716.21
5.4.120.0030.06716.21
5.4.110.0130.07316.42
5.4.100.0000.07016.45
5.4.90.0130.06316.42
5.4.80.0030.07016.24
5.4.70.0170.06716.32
5.4.60.0000.08016.28
5.4.50.0100.07316.28
5.4.40.0070.07316.39
5.4.30.0100.07316.35
5.4.20.0130.06716.38
5.4.10.0100.07316.26
5.4.00.0100.07015.66
5.3.290.0030.06014.52
5.3.280.0100.07314.57
5.3.270.0130.05314.47
5.3.260.0030.08014.56
5.3.250.0030.07014.59
5.3.240.0070.05714.55
5.3.230.0100.07714.57
5.3.220.0070.06014.54
5.3.210.0070.08014.43
5.3.200.0130.06014.55
5.3.190.0070.07314.50
5.3.180.0030.08014.52
5.3.170.0070.06714.50
5.3.160.0330.04714.54
5.3.150.0030.08014.57
5.3.140.0170.07014.52
5.3.130.0030.08014.38
5.3.120.0100.04714.54
5.3.110.0030.07714.54
5.3.100.0130.07713.86
5.3.90.0070.07714.01
5.3.80.0030.08013.97
5.3.70.0100.07014.00
5.3.60.0100.07014.00
5.3.50.0130.07013.80
5.3.40.0130.06013.92
5.3.30.0070.07713.86
5.3.20.0070.06313.66
5.3.10.0100.06713.51
5.3.00.0100.07013.49
5.2.170.0030.06311.63
5.2.160.0070.06311.63
5.2.150.0070.06311.63
5.2.140.0070.05311.63
5.2.130.0130.05311.63
5.2.120.0030.06711.63
5.2.110.0030.05711.63
5.2.100.0030.06011.63
5.2.90.0070.05311.63
5.2.80.0070.04011.63
5.2.70.0030.04311.63
5.2.60.0030.05711.63
5.2.50.0070.06011.63
5.2.40.0030.06011.63
5.2.30.0030.06311.63
5.2.20.0000.07011.63
5.2.10.0100.05011.63
5.2.00.0070.05711.63
5.1.60.0100.04311.63
5.1.50.0070.04311.63
5.1.40.0030.05711.63
5.1.30.0030.06011.63
5.1.20.0100.05011.63
5.1.10.0030.05311.63
5.1.00.0100.05011.63
5.0.50.0000.04011.63
5.0.40.0030.04711.63
5.0.30.0070.06011.63
5.0.20.0030.04011.63
5.0.10.0030.04711.63
5.0.00.0000.05711.63
4.4.90.0070.03011.63
4.4.80.0070.03011.63
4.4.70.0070.03311.63
4.4.60.0000.04011.63
4.4.50.0000.03711.63
4.4.40.0000.04711.63
4.4.30.0000.03011.63
4.4.20.0030.03711.63
4.4.10.0000.04011.63
4.4.00.0000.05311.63
4.3.110.0070.03311.63
4.3.100.0100.02711.63
4.3.90.0000.03711.63
4.3.80.0000.05311.63
4.3.70.0070.03011.63
4.3.60.0030.01711.63
4.3.50.0000.01711.63
4.3.40.0070.06011.63
4.3.30.0030.02311.63
4.3.20.0000.01711.63
4.3.10.0100.01311.63
4.3.00.0030.02011.63

preferences:
36.53 ms | 400 KiB | 5 Q