3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "doamin\username"; $newStr = str_replace('`\`','`\\\\`',$string); echo $newStr;

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)
8.4.120.0060.00322.39
8.4.110.0100.01022.51
8.4.100.0130.00820.63
8.4.90.0080.00318.80
8.4.80.0040.00418.64
8.4.70.0090.01017.55
8.4.60.0110.00918.62
8.4.50.0140.00618.57
8.4.40.0040.00419.20
8.4.30.0110.00719.21
8.4.20.0000.02019.30
8.4.10.0130.00719.11
8.3.250.0050.00318.91
8.3.240.0130.00618.56
8.3.230.0110.00716.63
8.3.220.0100.00620.68
8.3.210.0110.00718.46
8.3.200.0060.00316.47
8.3.190.0070.00118.46
8.3.180.0070.00420.64
8.3.170.0040.00420.70
8.3.160.0130.00318.28
8.3.150.0080.00016.65
8.3.140.0000.00818.86
8.3.130.0040.00418.36
8.3.120.0030.00620.69
8.3.110.0030.00618.28
8.3.100.0040.00416.33
8.3.90.0070.00716.59
8.3.80.0000.00818.43
8.3.70.0110.00818.30
8.3.60.0100.01016.50
8.3.50.0120.00718.30
8.3.40.0110.00718.75
8.3.30.0110.00418.71
8.3.20.0040.00420.21
8.3.10.0040.00421.92
8.3.00.0050.00323.45
8.2.290.0050.00420.37
8.2.280.0110.01018.44
8.2.270.0070.01322.32
8.2.260.0040.01116.65
8.2.250.0100.01016.43
8.2.240.0040.00416.94
8.2.230.0060.00320.94
8.2.220.0150.00324.06
8.2.210.0100.01026.77
8.2.200.0040.00418.17
8.2.190.0100.00716.58
8.2.180.0150.00616.63
8.2.170.0190.00422.96
8.2.160.0140.00320.13
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.01426.16
8.2.120.0000.00719.77
8.2.110.0030.00619.14
8.2.100.0090.00319.51
8.2.90.0000.00817.63
8.2.80.0030.00518.83
8.2.70.0090.00017.93
8.2.60.0000.00817.63
8.2.50.0040.00417.63
8.2.40.0040.00419.35
8.2.30.0070.00019.12
8.2.20.0040.00418.03
8.2.10.0000.00818.13
8.2.00.0070.00018.05
8.1.330.0080.01021.67
8.1.320.0100.00916.11
8.1.310.0070.01118.22
8.1.300.0110.00718.39
8.1.290.0060.00318.88
8.1.280.0060.00925.92
8.1.270.0000.00822.05
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0160.00619.47
8.1.230.0030.00917.82
8.1.220.0090.00017.74
8.1.210.0030.00518.77
8.1.200.0040.00417.23
8.1.190.0040.00417.22
8.1.180.0060.00318.10
8.1.170.0050.00317.62
8.1.160.0080.00018.89
8.1.150.0000.00720.04
8.1.140.0050.00217.39
8.1.130.0030.00618.98
8.1.120.0050.00317.34
8.1.110.0040.00417.38
8.1.100.0020.00517.32
8.1.90.0070.00017.35
8.1.80.0070.00017.30
8.1.70.0000.00717.42
8.1.60.0140.01317.48
8.1.50.0090.00317.36
8.1.40.0030.00517.36
8.1.30.0050.00217.48
8.1.20.0000.00717.61
8.1.10.0040.00417.49
8.1.00.0080.00017.44
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0030.00318.49
8.0.270.0050.00518.06
8.0.260.0080.00018.38
8.0.250.0030.00316.92
8.0.240.0030.00316.79
8.0.230.0050.00216.78
8.0.220.0000.00816.84
8.0.210.0030.00316.89
8.0.200.0030.00316.79
8.0.190.0040.00416.79
8.0.180.0000.00716.90
8.0.170.0000.00716.84
8.0.160.0040.00416.90
8.0.150.0070.00016.81
8.0.140.0040.00416.74
8.0.130.0040.00413.29
8.0.120.0030.00616.81
8.0.110.0050.00216.61
8.0.100.0040.00416.63
8.0.90.0000.00716.89
8.0.80.0030.01216.89
8.0.70.0040.00416.71
8.0.60.0040.00416.88
8.0.50.0000.00816.84
8.0.30.0150.00817.06
8.0.20.0120.00617.40
8.0.10.0030.00516.84
8.0.00.0160.00716.60
7.4.330.0000.00515.55
7.4.320.0030.00316.44
7.4.300.0060.00016.45
7.4.290.0060.00316.54
7.4.280.0000.00816.53
7.4.270.0000.00816.45
7.4.260.0070.00016.45
7.4.250.0040.00416.49
7.4.240.0000.00716.58
7.4.230.0070.00016.59
7.4.220.0110.00716.48
7.4.210.0020.01116.48
7.4.200.0030.00316.28
7.4.160.0080.00816.53
7.4.150.0090.00817.40
7.4.140.0110.00917.86
7.4.130.0140.00316.43
7.4.120.0060.01116.47
7.4.110.0150.00916.36
7.4.100.0110.00616.33
7.4.90.0120.00616.40
7.4.80.0130.00319.39
7.4.70.0110.01216.38
7.4.60.0090.00616.43
7.4.50.0040.00916.42
7.4.40.0080.00816.30
7.4.30.0090.00916.49
7.4.00.0080.00014.69
7.3.330.0050.00012.96
7.3.320.0050.00013.15
7.3.310.0070.00016.25
7.3.300.0000.00716.09
7.3.290.0040.01116.22
7.3.280.0100.00716.19
7.3.270.0160.00017.40
7.3.260.0070.01016.38
7.3.250.0130.00616.26
7.3.240.0130.00616.48
7.3.230.0170.00016.52
7.3.210.0070.01016.26
7.3.200.0060.00916.16
7.3.190.0150.00016.54
7.3.180.0100.00616.36
7.3.170.0060.00916.09
7.3.160.0070.00916.59
7.2.330.0030.01416.71
7.2.320.0080.00816.62
7.2.310.0030.01616.68
7.2.300.0170.00316.35
7.2.290.0030.01216.70
7.2.60.0080.00416.97
7.1.200.0000.01115.79
7.1.100.4170.00616.30
7.1.90.5750.01016.25
7.1.80.5470.01016.23
7.1.70.5480.01315.03
7.1.60.5470.01032.92
7.1.50.5290.00732.89
7.1.40.3550.02332.55
7.1.30.6150.01932.54
7.1.20.5550.01332.66
7.1.10.5130.01014.79
7.1.00.5380.00714.91
7.0.240.5880.00315.99
7.0.230.4950.01315.92
7.0.220.5520.00315.93
7.0.210.5630.01014.52
7.0.200.6480.00314.79
7.0.190.5990.00714.93
7.0.180.4790.01314.41
7.0.170.6400.00714.57
7.0.160.6070.00714.33
7.0.150.5020.01614.61
7.0.140.5180.00714.34
7.0.130.4690.00714.41
7.0.120.5010.00714.54
7.0.110.4770.00714.35
7.0.100.5350.00714.50
7.0.90.3530.01714.36
7.0.80.3980.00714.50
7.0.70.3390.00714.34
7.0.60.3380.01014.31
7.0.50.3560.01614.47
7.0.40.5200.01214.56
7.0.30.3610.01014.53
7.0.20.3790.01014.56
7.0.10.4900.01014.48
7.0.00.5360.00714.51

preferences:
27.52 ms | 403 KiB | 5 Q