3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = array('a'=>1,'a'=>2,'b'=>3); $t = json_decode(''); print_r(gettype(var_name), " -- ", $t);

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)
8.3.60.0130.00618.52
8.3.50.0040.01118.07
8.3.40.0100.01318.60
8.3.30.0110.00418.62
8.3.20.0000.00719.08
8.3.10.0060.00321.65
8.3.00.0040.00423.36
8.2.180.0150.00318.54
8.2.170.0140.00722.96
8.2.160.0110.00419.26
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00018.16
8.2.120.0040.00426.35
8.2.110.0100.00021.03
8.2.100.0040.00817.72
8.2.90.0030.00517.75
8.2.80.0000.00917.97
8.2.70.0000.00817.93
8.2.60.0060.00317.80
8.2.50.0080.00018.10
8.2.40.0030.00619.40
8.2.30.0040.00419.04
8.2.20.0030.00618.11
8.2.10.0030.00619.36
8.2.00.0030.00619.35
8.1.280.0110.01125.92
8.1.270.0060.00321.94
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00322.54
8.1.230.0070.00420.92
8.1.220.0050.00317.79
8.1.210.0080.00018.90
8.1.200.0090.00017.48
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0080.00018.88
8.1.160.0070.00018.79
8.1.150.0050.00218.79
8.1.140.0000.00719.46
8.1.130.0030.00319.11
8.1.120.0000.00717.34
8.1.110.0070.00417.35
8.1.100.0030.00317.34
8.1.90.0030.00517.46
8.1.80.0000.00817.44
8.1.70.0000.00717.48
8.1.60.0000.01217.46
8.1.50.0000.00917.45
8.1.40.0080.00017.52
8.1.30.0050.00317.59
8.1.20.0000.00717.68
8.1.10.0040.00417.46
8.1.00.0030.00617.50
8.0.300.0000.00719.89
8.0.290.0040.00416.75
8.0.280.0080.00018.46
8.0.270.0030.00317.29
8.0.260.0030.00317.29
8.0.250.0050.00216.96
8.0.240.0000.00716.99
8.0.230.0030.00316.96
8.0.220.0040.00416.98
8.0.210.0000.00716.89
8.0.200.0070.00316.97
8.0.190.0050.00216.89
8.0.180.0050.00316.88
8.0.170.0040.00416.83
8.0.160.0070.00017.00
8.0.150.0000.00816.85
8.0.140.0070.00016.80
8.0.130.0000.00613.32
8.0.120.0000.00716.93
8.0.110.0040.00416.77
8.0.100.0040.00416.94
8.0.90.0040.00416.94
8.0.80.0050.01117.00
8.0.70.0040.00416.93
8.0.60.0050.00216.89
8.0.50.0030.00316.93
8.0.30.0110.00717.05
8.0.20.0060.01217.40
8.0.10.0050.00317.01
8.0.00.0080.01216.84
7.4.330.0040.00015.55
7.4.320.0060.00016.64
7.4.300.0030.00316.44
7.4.290.0030.00316.40
7.4.280.0030.00616.48
7.4.270.0030.00616.50
7.4.260.0030.00316.56
7.4.250.0000.00716.57
7.4.240.0070.00016.50
7.4.230.0070.00016.33
7.4.220.0040.00416.56
7.4.210.0070.00916.51
7.4.200.0030.00316.48
7.4.160.0100.00816.50
7.4.140.0080.01217.86
7.4.130.0140.00316.52
7.4.120.0130.00816.51
7.4.110.0060.01316.70
7.4.100.0090.00916.63
7.4.90.0090.00916.46
7.4.80.0130.00719.39
7.4.70.0150.00416.30
7.4.60.0140.00316.40
7.4.50.0060.01016.67
7.4.40.0130.01016.34
7.4.00.0030.01014.68
7.3.330.0000.00713.23
7.3.320.0020.00213.05
7.3.310.0030.00316.10
7.3.300.0000.00716.27
7.3.290.0070.00016.24
7.3.280.0100.01016.21
7.3.260.0100.00716.38
7.3.240.0080.01116.39
7.3.230.0100.00716.28
7.3.210.0070.01016.46
7.3.200.0040.01216.30
7.3.190.0030.01316.50
7.3.180.0060.01516.30
7.3.170.0030.01316.27
7.3.160.0070.01416.32
7.2.330.0150.00316.42
7.2.320.0090.01216.78
7.2.310.0150.00616.80
7.2.300.0160.00716.86
7.2.290.0120.00616.46
7.2.110.0190.00316.68
7.2.70.0050.01017.02
7.2.60.0080.00516.99
7.2.50.0090.00916.73
7.2.40.0130.00716.68
7.2.30.0060.01516.91
7.2.20.0130.00617.06
7.2.10.0150.00616.94
7.2.00.0140.00416.78
7.1.200.0090.00315.96
7.1.170.0050.01315.63
7.1.160.0120.00015.39
7.1.150.0070.01015.93
7.1.140.0060.01215.80
7.1.130.0340.00915.61
7.1.120.0380.00915.60
7.1.110.0310.01313.90
7.1.100.0080.00515.28
7.1.90.0100.00715.40
7.1.80.0000.01815.58
7.1.70.0090.00615.52
7.1.60.0210.01133.73
7.1.50.0330.00933.79
7.1.40.0440.00033.48
7.1.30.0340.00933.57
7.1.20.0230.02033.71
7.1.10.0000.01515.52
7.1.00.0100.00215.70

preferences:
59.62 ms | 401 KiB | 5 Q