3v4l.org

run code in 300+ PHP versions simultaneously
<?php $false = json_encode(false); var_dump($false); foreach($false as $key => $val) { var_dump($key); var_dump($val); var_dump('***'); }

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)
8.3.60.0120.00918.56
8.3.50.0170.00717.93
8.3.40.0090.01418.51
8.3.30.0070.01418.33
8.3.20.0000.00819.14
8.3.10.0090.00023.51
8.3.00.0050.00220.69
8.2.180.0070.00718.29
8.2.170.0030.01322.96
8.2.160.0070.00720.57
8.2.150.0000.00824.18
8.2.140.0050.00224.66
8.2.130.0040.00419.76
8.2.120.0000.00826.35
8.2.110.0000.01021.18
8.2.100.0060.00618.03
8.2.90.0030.00517.63
8.2.80.0030.00617.97
8.2.70.0080.00018.03
8.2.60.0090.00018.09
8.2.50.0000.00818.10
8.2.40.0040.00419.21
8.2.30.0000.00719.13
8.2.20.0060.00317.99
8.2.10.0000.00718.09
8.2.00.0040.00417.63
8.1.280.0100.00725.92
8.1.270.0040.00418.66
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.46
8.1.230.0070.00322.16
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0060.00317.22
8.1.180.0000.00718.10
8.1.170.0040.00418.69
8.1.160.0070.00018.79
8.1.150.0000.00818.85
8.1.140.0030.00322.05
8.1.130.0000.00720.32
8.1.120.0070.00017.43
8.1.110.0040.00317.45
8.1.100.0040.00417.31
8.1.90.0060.00317.29
8.1.80.0040.00417.28
8.1.70.0000.00717.45
8.1.60.0030.00517.46
8.1.50.0000.00717.48
8.1.40.0000.00817.52
8.1.30.0000.00817.62
8.1.20.0020.00717.54
8.1.10.0000.00817.43
8.1.00.0000.00717.27
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.50
8.0.270.0030.00317.13
8.0.260.0040.00418.45
8.0.250.0040.00417.06
8.0.240.0000.00617.04
8.0.230.0070.00017.02
8.0.220.0020.00516.89
8.0.210.0030.00316.97
8.0.200.0030.00616.97
8.0.190.0080.00016.89
8.0.180.0040.00417.04
8.0.170.0060.00316.91
8.0.160.0070.00016.99
8.0.150.0110.00016.91
8.0.140.0000.00716.87
8.0.130.0000.00513.46
8.0.120.0060.00316.81
8.0.110.0000.00716.92
8.0.100.0000.00716.88
8.0.90.0000.00716.95
8.0.80.0060.01216.92
8.0.70.0030.00517.00
8.0.60.0000.00817.04
8.0.50.0040.00416.87
8.0.30.0120.00717.10
8.0.20.0130.00517.40
8.0.10.0050.00317.09
8.0.00.0090.00916.62
7.4.330.0050.00015.55
7.4.320.0060.00016.52
7.4.300.0000.00616.49
7.4.290.0000.00716.60
7.4.280.0070.00016.42
7.4.270.0030.00316.60
7.4.260.0050.00216.41
7.4.250.0080.00016.48
7.4.240.0030.00316.60
7.4.230.0030.00316.64
7.4.220.0000.00816.52
7.4.210.0090.00916.60
7.4.200.0000.00616.33
7.4.160.0080.01016.50
7.4.140.0100.00917.86
7.4.130.0140.00316.63
7.4.120.0090.00916.55
7.4.110.0150.00616.40
7.4.100.0030.01416.48
7.4.90.0080.00816.45
7.4.80.0070.01019.39
7.4.70.0130.00316.43
7.4.60.0100.00616.53
7.4.50.0040.00716.39
7.4.40.0120.00316.48
7.4.00.0080.00814.95
7.3.330.0000.00613.10
7.3.320.0050.00213.14
7.3.310.0040.00416.06
7.3.300.0000.00716.11
7.3.290.0000.00716.28
7.3.280.0080.00616.24
7.3.260.0080.00916.31
7.3.240.0080.01216.39
7.3.230.0050.01116.48
7.3.210.0070.01016.20
7.3.200.0100.00716.24
7.3.190.0030.01316.24
7.3.180.0120.00616.34
7.3.170.0080.01216.33
7.3.160.0120.00416.47
7.2.330.0060.01016.63
7.2.320.0110.00616.41
7.2.310.0100.00616.40
7.2.300.0030.01316.39
7.2.290.0030.01416.55
7.2.110.0870.00014.46
7.2.100.0310.00713.98
7.2.90.0340.01314.19
7.2.80.1030.00714.29
7.2.70.0630.00914.86
7.2.60.0450.00314.64
7.2.50.0130.01314.66
7.2.40.0460.00314.77
7.2.30.0930.00715.05
7.2.20.1090.00614.57
7.2.10.0830.00714.50
7.2.00.1040.00914.80
7.1.230.0910.00013.69
7.1.220.0880.00314.04
7.1.210.0390.00713.80
7.1.200.0790.01313.51
7.1.190.0180.00613.63
7.1.180.0260.00313.63
7.1.170.0190.00613.66
7.1.160.0480.01613.63
7.1.150.0860.00713.76
7.1.140.0830.00313.43
7.1.130.1020.00713.73
7.1.120.0230.00713.91
7.1.110.0320.00313.57
7.1.100.0200.01413.37
7.1.90.0590.00713.51
7.1.80.0210.01213.69
7.1.70.0220.01013.82
7.1.60.0380.00931.58
7.1.50.0400.00931.31
7.1.40.0320.00631.75
7.1.30.1470.00331.87
7.1.20.1500.01031.64
7.1.10.0330.01013.54
7.1.00.1410.01013.50
5.6.380.0060.00813.51

preferences:
46.83 ms | 401 KiB | 5 Q