3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "[x,y,z]"; $modified = str_replace("[", "[\"", $str); echo $modified;

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)
8.3.60.0150.00018.29
8.3.50.0090.00921.86
8.3.40.0060.00918.89
8.3.30.0160.00018.77
8.3.20.0040.00419.20
8.3.10.0070.00021.73
8.3.00.0050.00317.68
8.2.180.0050.01018.29
8.2.170.0070.01118.82
8.2.160.0120.00322.25
8.2.150.0070.00324.18
8.2.140.0090.00024.66
8.2.130.0080.00017.79
8.2.120.0070.00026.35
8.2.110.0060.00320.52
8.2.100.0080.00318.03
8.2.90.0000.00819.22
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0030.00617.78
8.2.50.0000.00818.07
8.2.40.0060.00322.20
8.2.30.0030.00320.54
8.2.20.0080.00017.59
8.2.10.0030.00518.16
8.2.00.0000.00818.09
8.1.280.0030.01625.92
8.1.270.0140.00023.99
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0060.00322.05
8.1.230.0040.00717.83
8.1.220.0080.00017.74
8.1.210.0030.00718.77
8.1.200.0090.00017.35
8.1.190.0080.00017.25
8.1.180.0000.00918.10
8.1.170.0000.00818.31
8.1.160.0030.00320.65
8.1.150.0040.00418.86
8.1.140.0070.00319.52
8.1.130.0070.00017.63
8.1.120.0070.00017.23
8.1.110.0000.00717.26
8.1.100.0000.00717.34
8.1.90.0040.00417.38
8.1.80.0070.00017.39
8.1.70.0070.00017.30
8.1.60.0040.00417.35
8.1.50.0040.00417.54
8.1.40.0000.00817.39
8.1.30.0000.00917.59
8.1.20.0000.00717.51
8.1.10.0060.00317.38
8.1.00.0030.00717.33
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0040.00418.43
8.0.270.0050.00216.70
8.0.260.0000.00717.25
8.0.250.0030.00316.98
8.0.240.0060.00316.94
8.0.230.0000.00716.90
8.0.220.0000.00716.84
8.0.210.0000.00716.79
8.0.200.0000.00716.86
8.0.190.0000.00716.94
8.0.180.0080.00016.74
8.0.170.0050.00316.83
8.0.160.0050.00216.76
8.0.150.0030.00516.77
8.0.140.0000.00716.81
8.0.130.0030.00313.27
8.0.120.0040.00416.84
8.0.110.0000.00716.74
8.0.100.0000.00716.71
8.0.90.0000.00716.81
8.0.80.0110.00716.86
8.0.70.0020.00516.88
8.0.60.0000.00716.83
8.0.50.0040.00416.78
8.0.30.0120.00717.06
8.0.20.0130.00617.40
8.0.10.0080.00016.77
8.0.00.0130.00316.74
7.4.330.0020.00316.83
7.4.320.0000.00816.43
7.4.300.0060.00016.35
7.4.290.0000.00816.43
7.4.280.0060.00316.44
7.4.270.0070.00016.44
7.4.260.0030.00316.56
7.4.250.0080.00016.41
7.4.240.0070.00016.49
7.4.230.0000.00816.53
7.4.220.0110.00716.64
7.4.210.0050.00916.51
7.4.200.0030.00316.41
7.4.160.0100.01316.50
7.4.150.0120.00617.40
7.4.140.0090.01117.86
7.4.130.0080.00916.52
7.4.120.0110.00616.46
7.4.110.0140.00316.47
7.4.100.0090.00916.45
7.4.90.0070.01016.50
7.4.80.0110.00519.39
7.4.70.0060.01116.52
7.4.60.0170.00016.43
7.4.50.0030.00916.43
7.4.40.0060.01216.38
7.4.30.0100.00716.51
7.4.00.0070.00714.90
7.3.330.0000.00512.94
7.3.320.0050.00013.13
7.3.310.0070.00016.03
7.3.300.0030.00316.21
7.3.290.0070.00016.14
7.3.280.0120.00716.14
7.3.270.0120.00617.40
7.3.260.0150.00316.43
7.3.250.0170.01416.30
7.3.240.0090.00816.26
7.3.230.0060.01616.39
7.3.210.0060.01316.32
7.3.200.0120.00616.14
7.3.190.0100.00716.48
7.3.180.0030.01716.51
7.3.170.0060.00916.21
7.3.160.0030.01316.33
7.2.330.0100.01016.41
7.2.320.0110.00516.28
7.2.310.0060.01016.52
7.2.300.0090.00916.61
7.2.290.0100.00716.39
7.2.60.0060.01016.68
7.1.200.0060.00615.84
7.1.70.0000.00717.23
7.1.60.0090.01319.85
7.1.00.0030.07722.45
7.0.200.0000.00716.73
7.0.60.0130.05720.04
7.0.50.0170.05320.37
7.0.40.0130.05720.25
7.0.30.0200.05720.43
7.0.20.0100.06720.36
7.0.10.0130.06020.33
7.0.00.0170.06020.26
5.6.280.0000.07721.10
5.6.210.0200.05320.77
5.6.200.0200.05321.16
5.6.190.0270.04721.11
5.6.180.0130.07021.03
5.6.170.0230.05021.04
5.6.160.0100.06320.96
5.6.150.0200.06321.05
5.6.140.0170.05321.20
5.6.130.0100.06721.00
5.6.120.0270.04721.17
5.6.110.0200.05021.16
5.6.100.0170.05321.01
5.6.90.0170.06021.03
5.6.80.0230.04720.52
5.6.70.0300.04020.45
5.6.60.0230.05020.41
5.6.50.0130.05720.43
5.6.40.0270.04320.56
5.6.30.0230.05020.38
5.6.20.0070.06020.52
5.6.10.0130.05720.40
5.6.00.0130.05720.51
5.5.350.0200.05320.47
5.5.340.0200.05020.87
5.5.330.0100.06020.96
5.5.320.0200.05321.02
5.5.310.0270.04320.82
5.5.300.0170.05720.74
5.5.290.0200.06020.84
5.5.280.0070.06320.71
5.5.270.0270.04720.86
5.5.260.0270.04720.78
5.5.250.0270.04720.68
5.5.240.0200.04720.26
5.5.230.0200.05020.40
5.5.220.0100.05720.23
5.5.210.0330.03720.15
5.5.200.0170.05320.21
5.5.190.0130.06020.38
5.5.180.0070.06720.20
5.5.160.0130.05720.30
5.5.150.0070.06020.29
5.5.140.0170.05020.30
5.5.130.0100.05720.20
5.5.120.0130.05020.08
5.5.110.0200.04720.34
5.5.100.0200.05020.17
5.5.90.0170.05020.08
5.5.80.0200.05020.16
5.5.70.0100.06020.09
5.5.60.0170.05020.09
5.5.50.0170.05020.16
5.5.40.0100.05719.98
5.5.30.0200.05020.05
5.5.20.0100.06319.95
5.5.10.0200.05320.13
5.5.00.0130.05720.05

preferences:
57.75 ms | 401 KiB | 5 Q