3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = [ 'one"two_"_"_three', 'one__two_"__three', 'one__two_"__""____"three', 'one__two___"""""""______three', ]; var_export( preg_replace('~["_]+~', '_', $strings) );

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)
8.5.20.0120.00820.24
8.5.10.0080.00916.73
8.5.00.0120.00920.16
8.4.170.0140.00823.94
8.4.160.0130.01023.23
8.4.150.0030.00014.05
8.4.140.0120.01017.64
8.4.130.0100.01118.86
8.4.120.0060.00325.98
8.4.110.0030.00620.51
8.4.100.0070.00918.91
8.4.90.0070.00520.54
8.4.80.0040.00418.86
8.4.70.0070.00218.42
8.4.60.0090.01018.70
8.4.50.0080.00520.61
8.4.40.0030.00620.72
8.4.30.0110.01120.71
8.4.20.0070.01424.32
8.4.10.0130.00719.43
8.3.300.0120.00819.41
8.3.290.0130.00720.70
8.3.280.0120.00818.60
8.3.270.0130.00716.66
8.3.260.0130.00616.64
8.3.250.0120.00718.48
8.3.240.0090.01017.09
8.3.230.0100.00916.93
8.3.220.0120.00718.92
8.3.210.0110.00816.65
8.3.200.0060.00216.66
8.3.190.0100.00816.90
8.3.180.0130.00716.95
8.3.170.0060.01217.18
8.3.160.0110.00720.24
8.3.150.0130.00716.87
8.3.140.0040.00417.07
8.3.130.0030.00618.63
8.3.120.0040.00418.98
8.3.110.0030.00620.94
8.3.100.0030.01324.06
8.3.90.0070.01126.77
8.3.80.0060.00316.50
8.3.70.0150.00716.75
8.3.60.0070.01416.75
8.3.50.0110.00724.63
8.3.40.0130.00620.48
8.3.30.0070.01018.84
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0050.00326.16
8.2.300.0130.00818.20
8.2.290.0080.00420.15
8.2.280.0120.00818.53
8.2.270.0060.00317.16
8.2.260.0040.00418.59
8.2.250.0040.00416.95
8.2.240.0040.00417.16
8.2.230.0040.00422.58
8.2.220.0090.00937.54
8.2.210.0000.00726.77
8.2.200.0130.00317.00
8.2.190.0140.00716.58
8.2.180.0110.00425.92
8.2.170.0130.00319.00
8.2.160.0100.00622.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00326.16
8.2.120.0040.00419.83
8.2.110.0100.00022.08
8.2.100.0040.00817.97
8.2.90.0060.00317.92
8.2.80.0000.00817.97
8.2.70.0080.00017.80
8.2.60.0040.00418.16
8.2.50.0060.00318.10
8.2.40.0050.00319.23
8.2.30.0000.00718.13
8.2.20.0070.00017.99
8.2.10.0070.00019.13
8.2.00.0000.00719.31
8.1.340.0100.01117.69
8.1.330.0100.00821.85
8.1.320.0110.00916.56
8.1.310.0040.01518.36
8.1.300.0030.00618.18
8.1.290.0110.00418.88
8.1.280.0170.00325.92
8.1.270.0080.00023.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0100.00022.20
8.1.230.0090.00920.90
8.1.220.0000.00817.79
8.1.210.0000.00918.78
8.1.200.0060.00317.35
8.1.190.0080.00017.22
8.1.180.0080.00018.10
8.1.170.0060.00318.61
8.1.160.0060.00318.88
8.1.150.0050.00218.89
8.1.140.0040.00418.80
8.1.130.0000.00720.14
8.1.120.0050.00217.59
8.1.110.0000.00717.53
8.1.100.0070.00017.50
8.1.90.0030.00317.61
8.1.80.0040.00717.55
8.1.70.0000.00717.57
8.1.60.0000.00817.69
8.1.50.0060.00317.63
8.1.40.0030.00517.56
8.1.30.0070.00317.69
8.1.20.0000.00717.67
8.1.10.0040.00417.51
8.1.00.0000.00817.44
8.0.300.0000.00719.59
8.0.290.0030.00516.88
8.0.280.0070.00018.38
8.0.270.0000.00718.13
8.0.260.0000.00618.39
8.0.250.0040.00417.02
8.0.240.0000.00616.86
8.0.230.0030.00317.02
8.0.220.0000.00716.99
8.0.210.0030.00416.83
8.0.200.0060.00017.00
8.0.190.0040.00417.04
8.0.180.0030.00517.01
8.0.170.0000.00816.83
8.0.160.0000.00816.99
8.0.150.0050.00316.97
8.0.140.0000.00716.98
8.0.130.0030.00613.38
8.0.120.0000.00817.00
8.0.110.0000.00816.86
8.0.100.0040.00417.01
8.0.90.0030.00517.05
8.0.80.0110.00716.97
8.0.70.0030.00616.82
8.0.60.0040.00416.86
8.0.50.0030.00517.09
8.0.30.0140.00416.98
8.0.20.0120.00717.16
8.0.10.0040.00417.21
8.0.00.0110.01117.02
7.4.330.0000.00615.55
7.4.320.0030.00316.63
7.4.300.0000.00616.69
7.4.290.0060.00316.65
7.4.280.0040.00416.69
7.4.270.0000.00716.79
7.4.260.0000.00513.52
7.4.250.0040.00416.69
7.4.240.0000.00816.77
7.4.230.0000.00716.70
7.4.220.0020.00516.61
7.4.210.0060.01016.73
7.4.200.0030.00316.63
7.4.130.0090.01216.64
7.4.120.0070.01616.68
7.4.110.0080.01116.75
7.4.100.0160.00916.47
7.4.90.0200.00616.45
7.4.80.0170.00716.52
7.4.70.0190.00916.61
7.4.60.0190.00816.49
7.4.50.0180.00916.57
7.4.40.0160.01016.53
7.4.30.0170.01216.53
7.4.20.0200.00716.47
7.4.10.0160.00716.45
7.4.00.0200.00316.27
7.3.330.0020.00516.28
7.3.320.0030.00313.09
7.3.310.0000.00716.35
7.3.300.0000.00716.27
7.3.290.0090.00916.28
7.3.260.0120.00616.60
7.3.230.0100.01316.27
7.3.220.0120.01516.24
7.3.210.0180.00916.29
7.3.200.0210.00616.53
7.3.190.0150.01216.47
7.3.180.0150.01216.54
7.3.170.0110.01416.48
7.3.160.0140.01216.47
7.3.150.0240.00316.42
7.3.140.0140.01116.38
7.3.130.0210.00616.44
7.3.120.0170.00316.27
7.3.110.0160.01016.31
7.3.100.0070.01616.36
7.3.90.0190.00316.25
7.3.80.0110.01016.42
7.3.70.0110.01216.18
7.3.60.0110.01116.33
7.3.50.0120.01116.24
7.3.40.0140.01016.30
7.3.30.0140.01116.24
7.3.20.0140.00916.30
7.3.10.0150.00816.32
7.3.00.0190.00316.26
7.2.330.0180.00916.51
7.2.320.0220.00416.61
7.2.310.0170.01016.48
7.2.300.0150.01016.45
7.2.290.0210.01016.47
7.2.280.0180.00716.64
7.2.270.0180.00916.53
7.2.260.0190.01216.64
7.2.250.0150.01016.44
7.2.240.0070.01316.47
7.2.230.0150.00816.34
7.2.220.0170.00816.45
7.2.210.0100.01316.36
7.2.200.0150.00916.43
7.2.190.0120.01316.29
7.2.180.0140.01216.38
7.2.170.0130.01016.40
7.2.160.0100.01316.32
7.2.150.0100.01316.58
7.2.140.0160.00916.49
7.2.130.0940.00917.28
7.2.120.0150.01217.41
7.2.110.0240.00917.30
7.2.100.0150.00817.34
7.2.90.0130.01217.34
7.2.80.0190.00817.40
7.2.70.0080.01517.46
7.2.60.0160.00717.10
7.2.50.0140.00917.34
7.2.40.0180.00817.24
7.2.30.0190.00917.41
7.2.20.0160.01217.47
7.2.10.0150.01317.44
7.2.00.0140.01217.41

preferences:
32.12 ms | 403 KiB | 5 Q