3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_replace('abcde', 'f', array(0, 1), array(1, 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)
8.3.60.0040.01818.50
8.3.50.0080.01221.98
8.3.40.0090.01218.97
8.3.30.0140.00319.12
8.3.20.0000.00720.29
8.3.10.0040.00423.48
8.3.00.0100.00322.58
8.2.180.0120.00616.63
8.2.170.0120.00322.96
8.2.160.0140.00422.19
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0070.01319.23
8.2.110.0080.00022.20
8.2.100.0080.00317.64
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0110.00017.63
8.2.60.0060.00317.91
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0040.00417.87
8.2.20.0040.00417.62
8.2.10.0040.00419.46
8.2.00.0000.00717.68
8.1.280.0030.01425.92
8.1.270.0060.00323.84
8.1.260.0040.00426.35
8.1.250.0140.00328.09
8.1.240.0060.00323.79
8.1.230.0030.00719.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0000.00817.41
8.1.180.0000.00718.10
8.1.170.0040.00418.46
8.1.160.0040.00421.95
8.1.150.0040.00418.51
8.1.140.0060.00317.32
8.1.130.0040.00417.77
8.1.120.0030.00317.40
8.1.110.0000.00917.30
8.1.100.0000.00717.30
8.1.90.0050.00217.38
8.1.80.0000.00717.29
8.1.70.0000.00717.30
8.1.60.0040.00417.43
8.1.50.0080.00017.36
8.1.40.0040.00417.38
8.1.30.0030.00617.50
8.1.20.0050.00317.59
8.1.10.0040.00417.57
8.1.00.0040.00417.43
8.0.300.0000.00718.77
8.0.290.0040.00417.04
8.0.280.0000.00718.42
8.0.270.0030.00317.07
8.0.260.0030.00316.82
8.0.250.0000.00716.93
8.0.240.0030.00316.93
8.0.230.0000.00716.89
8.0.220.0000.00716.80
8.0.210.0030.00316.80
8.0.200.0040.00416.90
8.0.190.0000.00817.00
8.0.180.0000.00716.94
8.0.170.0000.00816.94
8.0.160.0000.00716.87
8.0.150.0030.00316.92
8.0.140.0020.00516.72
8.0.130.0000.00513.27
8.0.120.0040.00416.75
8.0.110.0000.00716.94
8.0.100.0000.00816.93
8.0.90.0070.00016.71
8.0.80.0000.01416.80
8.0.70.0000.00716.88
8.0.60.0030.00316.78
8.0.50.0000.00716.77
8.0.30.0090.01017.02
8.0.20.0070.01517.40
8.0.10.0040.00416.83
8.0.00.0130.00816.61
7.4.330.0000.00515.03
7.4.320.0060.00016.39
7.4.300.0040.00416.31
7.4.290.0030.00316.34
7.4.280.0000.00716.45
7.4.270.0000.00916.45
7.4.260.0030.00316.49
7.4.250.0040.00416.37
7.4.240.0000.00716.36
7.4.230.0000.00716.54
7.4.220.0100.00716.53
7.4.210.0060.00916.46
7.4.200.0000.00716.16
7.4.190.0070.00016.52
7.4.160.0110.00616.40
7.4.150.0130.00917.40
7.4.140.0170.01417.86
7.4.130.0090.00916.36
7.4.120.0130.00716.35
7.4.110.0120.00616.22
7.4.100.0130.00416.33
7.4.90.0060.01116.45
7.4.80.0030.01516.46
7.4.70.0100.01016.38
7.4.60.0040.01216.23
7.4.50.0040.00416.47
7.4.40.0050.00522.77
7.4.30.0100.00716.24
7.4.00.0020.01314.79
7.3.330.0000.00513.11
7.3.320.0000.00513.04
7.3.310.0030.00316.30
7.3.300.0030.00316.19
7.3.290.0080.00816.16
7.3.280.0090.00816.20
7.3.270.0060.01217.40
7.3.260.0160.01016.41
7.3.250.0090.00916.34
7.3.240.0200.00316.25
7.3.230.0100.00716.39
7.3.210.0070.01016.20
7.3.200.0110.01119.39
7.3.190.0080.01016.35
7.3.180.0030.01216.41
7.3.170.0060.01016.39
7.3.160.0120.00616.47
7.3.120.0080.00314.60
7.3.110.0070.00314.62
7.3.100.0080.00514.96
7.3.90.0040.00414.43
7.3.80.0060.00614.87
7.3.70.0000.01314.63
7.3.60.0090.00614.79
7.3.50.0100.00314.82
7.3.40.0040.00814.85
7.3.30.0070.00714.81
7.3.20.0120.00316.73
7.3.10.0060.01316.62
7.3.00.0090.00916.55
7.2.330.0100.00716.18
7.2.320.0170.00016.23
7.2.310.0050.01116.57
7.2.300.0080.00816.31
7.2.290.0030.01316.32
7.2.250.0090.00914.67
7.2.240.0130.00714.73
7.2.230.0050.00814.88
7.2.220.0060.00914.85
7.2.210.0060.00914.75
7.2.200.0030.01314.82
7.2.190.0090.00614.75
7.2.180.0060.01014.79
7.2.170.0070.00714.90
7.2.60.0070.00716.59
7.2.00.0120.00019.36
7.1.330.0040.01115.56
7.1.320.0030.01015.58
7.1.310.0030.01215.78
7.1.300.0000.01515.49
7.1.290.0040.00815.43
7.1.280.0070.00315.37
7.1.270.0180.00015.68
7.1.260.0090.00915.66
7.1.200.0000.00715.54
7.1.100.0000.01017.77
7.1.70.0100.00317.06
7.1.60.0110.01419.32
7.1.50.0040.00716.62
7.1.00.0030.07322.43
7.0.200.0080.00316.66
7.0.140.0030.07321.92
7.0.60.0130.04020.02
7.0.50.0170.04717.88
7.0.40.0070.06020.27
7.0.30.0270.05720.17
7.0.20.0130.05720.20
7.0.10.0170.06020.13
7.0.00.0030.08720.08
5.6.280.0000.07321.12
5.6.210.0070.06720.72
5.6.200.0170.07718.13
5.6.190.0030.05020.33
5.6.180.0030.04720.56
5.6.170.0200.06020.38
5.6.160.0100.06020.44
5.6.150.0100.07018.11
5.6.140.0030.05318.18
5.6.130.0100.05018.09
5.6.120.0100.03720.98
5.6.110.0130.07720.93
5.6.100.0070.08321.10
5.6.90.0130.08021.10
5.6.80.0070.04020.27
5.6.70.4400.04020.51
5.5.350.0000.07020.31
5.5.340.0070.05717.99
5.5.330.0030.09020.25
5.5.320.0100.07720.20
5.5.310.0370.08020.34
5.5.300.0000.05317.87
5.5.290.0030.04017.86
5.5.280.0030.07720.68
5.5.270.0070.04320.67
5.5.260.0100.06320.75
5.5.250.0130.06020.65
5.5.240.0070.05720.23
5.4.450.0070.04319.23
5.4.440.0000.04319.10
5.4.430.1230.03719.40
5.4.420.2030.04019.40
5.4.410.2570.03719.41
5.4.400.2370.04018.92
5.4.390.2430.03719.10
5.4.380.2700.02718.93
5.4.370.2470.03719.14
5.4.360.2630.03319.13
5.4.350.2600.03319.13
5.4.340.2470.03319.06
5.4.320.2230.03719.09
5.4.310.2600.04019.06
5.4.300.2330.04019.20
5.4.290.2600.03719.08
5.4.280.2370.04018.91
5.4.270.2170.04319.05
5.4.260.2300.03319.25
5.4.250.2600.03719.05
5.4.240.2300.03718.82
5.4.230.2300.03718.90
5.4.220.2670.03719.21
5.4.210.2600.03719.07
5.4.200.2570.04719.05
5.4.190.2870.04018.89
5.4.180.2700.04018.80
5.4.170.2530.03318.87
5.4.160.2470.04319.11
5.4.150.2230.04019.05
5.4.140.2030.03316.45
5.4.130.2500.03716.34
5.4.120.2500.03716.47
5.4.110.1330.03716.37
5.4.100.0070.07016.43
5.4.90.0000.04016.24
5.4.80.0070.07316.16
5.4.70.2530.03716.17
5.4.60.2570.03716.36
5.4.50.2570.03716.20
5.4.40.2570.04016.43
5.4.30.2700.04316.20
5.4.20.2770.04016.35
5.4.10.2330.03716.16
5.4.00.2570.03715.71
5.3.290.2200.04714.52
5.3.280.2570.04014.60
5.3.270.2530.03714.55
5.3.260.2230.04314.56
5.3.250.2530.03714.62
5.3.240.2330.03014.54
5.3.230.2570.04014.44
5.3.220.2500.03314.42
5.3.210.2530.05014.52
5.3.200.2500.03714.51
5.3.190.2600.03314.41
5.3.180.2270.04014.65
5.3.170.0030.05714.40
5.3.160.0070.07314.51
5.3.150.1170.06314.52
5.3.140.2500.04014.46
5.3.130.2300.03014.38
5.3.120.2230.04014.64
5.3.110.2300.04014.55
5.3.100.2600.03013.89
5.3.90.2500.03013.96
5.3.80.2300.04013.96
5.3.70.2530.04313.81
5.3.60.2570.04313.79
5.3.50.2430.05013.82
5.3.40.2330.03013.82
5.3.30.2300.03313.71
5.3.20.2270.04013.51
5.3.10.2430.03013.60
5.3.00.2330.04013.65
5.2.170.2070.03011.09
5.2.160.2030.02710.99
5.2.150.1830.03311.00
5.2.140.1930.02711.19
5.2.130.1930.03311.04
5.2.120.2100.03311.15
5.2.110.1900.02711.11
5.2.100.1900.02711.04
5.2.90.2000.03010.96
5.2.80.1930.02710.98
5.2.70.2070.02310.93
5.2.60.2130.03011.06
5.2.50.2170.02710.96
5.2.40.1770.03710.93
5.2.30.1630.03010.88
5.2.20.1570.02310.86
5.2.10.1500.03310.75
5.2.00.1730.03710.83
5.1.60.1530.0279.92
5.1.50.1830.0309.97
5.1.40.1630.0239.91
5.1.30.1600.02710.23
5.1.20.1700.02310.27
5.1.10.1730.03010.22
5.1.00.1600.0279.93
5.0.50.1030.0278.54
5.0.40.1030.0278.48
5.0.30.1000.0408.09
5.0.20.1100.0238.34
5.0.10.0970.0178.25
5.0.00.1100.0378.08
4.4.90.1270.0207.87
4.4.80.1000.0137.87
4.4.70.1200.0207.87
4.4.60.1030.0107.87
4.4.50.0930.0177.87
4.4.40.0930.0277.87
4.4.30.1170.0207.87
4.4.20.1200.0207.87
4.4.10.1070.0207.87
4.4.00.1100.0277.87
4.3.110.1130.0207.87
4.3.100.0930.0207.87
4.3.90.0770.0137.87
4.3.80.1100.0277.87
4.3.70.1030.0177.87
4.3.60.0770.0137.87
4.3.50.0800.0207.87
4.3.40.0970.0237.87
4.3.30.0470.0177.87
4.3.20.0670.0237.87
4.3.10.0600.0237.87
4.3.00.0600.0107.87

preferences:
39.15 ms | 401 KiB | 5 Q