3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'key1\value1\key2\value2\key3\value3\key4\value4\key5\value5'; parse_str(preg_replace('/([^\\\\]+)\\\\([^\\\\]+)\\\\?/', '$1=$2&', $string), $output); var_export($output);

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)
8.3.60.0150.00318.51
8.3.50.0120.00918.20
8.3.40.0110.00422.09
8.3.30.0060.01018.87
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0060.00326.16
8.2.180.0040.01125.92
8.2.170.0090.00619.02
8.2.160.0090.00922.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0060.00920.95
8.2.110.0090.00020.57
8.2.100.0080.00417.72
8.2.90.0000.00720.42
8.2.80.0040.00417.97
8.2.70.0040.00417.80
8.2.60.0000.00918.09
8.2.50.0040.00418.10
8.2.40.0030.00619.21
8.2.30.0060.00319.09
8.2.20.0030.00617.97
8.2.10.0070.00019.21
8.2.00.0070.00019.25
8.1.280.0110.00725.92
8.1.270.0040.01223.84
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0060.00323.90
8.1.230.0060.00621.03
8.1.220.0040.00417.74
8.1.210.0050.00219.02
8.1.200.0000.00917.36
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0000.00818.63
8.1.160.0070.00019.02
8.1.150.0040.00418.80
8.1.140.0040.00418.97
8.1.130.0000.00817.53
8.1.120.0000.00817.56
8.1.110.0080.00017.44
8.1.100.0060.00317.58
8.1.90.0030.00517.53
8.1.80.0060.00317.54
8.1.70.0000.00817.53
8.1.60.0060.00317.71
8.1.50.0040.00417.59
8.1.40.0000.00817.48
8.1.30.0060.00317.77
8.1.20.0000.00717.62
8.1.10.0040.00417.63
8.1.00.0000.00817.65
8.0.300.0040.00419.89
8.0.290.0060.00316.75
8.0.280.0050.00218.28
8.0.270.0040.00416.86
8.0.260.0060.00018.43
8.0.250.0000.00716.93
8.0.240.0050.00316.91
8.0.230.0080.00017.02
8.0.220.0030.00316.97
8.0.210.0000.00616.98
8.0.200.0000.00717.03
8.0.190.0040.00416.90
8.0.180.0080.00017.06
8.0.170.0000.00916.88
8.0.160.0040.00417.00
8.0.150.0040.00416.87
8.0.140.0040.00416.92
8.0.130.0000.00613.48
8.0.120.0040.00416.89
8.0.110.0040.00416.95
8.0.100.0040.00416.84
8.0.90.0040.00416.88
8.0.80.0060.01117.00
8.0.70.0000.00717.07
8.0.60.0040.00417.08
8.0.50.0080.00016.95
8.0.30.0030.01316.80
8.0.20.0150.00517.03
8.0.10.0000.00716.94
8.0.00.0180.00916.81
7.4.330.0050.00015.55
7.4.320.0030.00316.54
7.4.300.0060.00016.70
7.4.290.0040.00316.74
7.4.280.0030.00516.65
7.4.270.0050.00316.66
7.4.260.0030.00313.44
7.4.250.0050.00316.72
7.4.240.0070.00016.62
7.4.230.0000.00716.84
7.4.220.0050.00216.49
7.4.210.0090.00816.71
7.4.200.0030.00316.81
7.4.130.0180.01216.54
7.4.120.0180.00916.30
7.4.110.0240.00516.66
7.4.100.0160.01016.77
7.4.90.0200.00816.62
7.4.80.0200.00616.57
7.4.70.0190.00316.46
7.4.60.0200.00716.61
7.4.50.0180.00716.71
7.4.40.0140.01116.50
7.4.30.0160.01316.48
7.4.20.0140.01116.50
7.4.10.0100.01516.34
7.4.00.0060.01216.59
7.3.330.0000.00716.11
7.3.320.0060.00013.21
7.3.310.0030.00516.29
7.3.300.0000.00716.32
7.3.290.0100.00516.27
7.3.260.0070.01416.23
7.3.250.0160.00816.46
7.3.240.0110.01516.38
7.3.230.0170.00616.52
7.3.220.0100.01816.44
7.3.210.0110.01516.70
7.3.200.0040.01916.62
7.3.190.0160.01016.27
7.3.180.0220.00316.43
7.3.170.0190.00316.31
7.3.160.0160.00316.26
7.3.150.0160.01016.27
7.3.140.0210.00516.31
7.3.130.0120.00916.37
7.3.120.0090.01216.52
7.3.110.0150.00816.57
7.3.100.0120.01216.35
7.3.90.0070.01416.59
7.3.80.0110.01116.42
7.3.70.0150.00816.44
7.3.60.0120.00916.46
7.3.50.0140.00516.25
7.3.40.0150.00716.40
7.3.30.0060.01616.45
7.3.20.0150.00516.20
7.3.10.0120.00916.25
7.3.00.0170.00616.45

preferences:
56.27 ms | 400 KiB | 5 Q