3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['pizza' => 1, 'something' => 2, 'world' => 3]; foreach($arr as $key => $val) { var_dump($arr); echo PHP_EOL; if ($key === 'pizza') { unset($arr['world']); } }

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)
8.3.60.0160.00618.55
8.3.50.0120.00916.08
8.3.40.0090.00918.46
8.3.30.0000.01418.76
8.3.20.0040.00418.51
8.3.10.0040.00423.41
8.3.00.0040.00420.71
8.2.180.0040.01118.29
8.2.170.0140.00022.96
8.2.160.0150.00619.51
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00319.89
8.2.120.0000.01126.35
8.2.110.0070.00322.22
8.2.100.0060.00617.78
8.2.90.0030.00517.75
8.2.80.0040.00418.96
8.2.70.0040.00417.93
8.2.60.0000.00718.09
8.2.50.0000.00819.38
8.2.40.0040.00421.02
8.2.30.0040.00419.29
8.2.20.0080.00018.03
8.2.10.0040.00418.11
8.2.00.0060.00317.77
8.1.280.0030.01025.92
8.1.270.0080.00018.96
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00423.92
8.1.230.0040.00817.71
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0060.00317.23
8.1.180.0040.00419.03
8.1.170.0000.00818.63
8.1.160.0060.00318.88
8.1.150.0030.00618.75
8.1.140.0070.00022.18
8.1.130.0030.00320.19
8.1.120.0000.00717.34
8.1.110.0100.00017.41
8.1.100.0040.00417.40
8.1.90.0030.00317.48
8.1.80.0030.00617.47
8.1.70.0000.00717.46
8.1.60.0040.00417.46
8.1.50.0040.00417.52
8.1.40.0070.00017.56
8.1.30.0000.00817.66
8.1.20.0030.00517.64
8.1.10.0040.00417.43
8.1.00.0040.00417.49
8.0.300.0070.00018.77
8.0.290.0000.00916.75
8.0.280.0070.00018.36
8.0.270.0040.00417.21
8.0.260.0060.00018.34
8.0.250.0080.00016.82
8.0.240.0060.00017.01
8.0.230.0060.00316.84
8.0.220.0060.00016.84
8.0.210.0030.00316.94
8.0.200.0050.00216.89
8.0.190.0030.00316.96
8.0.180.0030.00316.77
8.0.170.0040.00416.79
8.0.160.0050.00316.89
8.0.150.0040.00416.86
8.0.140.0030.00316.74
8.0.130.0060.00013.26
8.0.120.0040.00416.73
8.0.110.0030.00816.80
8.0.100.0000.00716.85
8.0.90.0040.00416.84
8.0.80.0090.00616.88
8.0.70.0000.00716.91
8.0.60.0000.00716.77
8.0.50.0050.00316.91
8.0.30.0100.00916.96
8.0.20.0120.00617.40
8.0.10.0040.00416.94
8.0.00.0130.00516.68
7.4.330.0040.00015.55
7.4.320.0060.00016.52
7.4.300.0040.00416.47
7.4.290.0030.00316.57
7.4.280.0040.00316.56
7.4.270.0070.00016.50
7.4.260.0080.00016.34
7.4.250.0070.00016.44
7.4.240.0000.00816.55
7.4.230.0070.00016.49
7.4.220.0060.00316.61
7.4.210.0100.00716.62
7.4.200.0040.00416.68
7.4.160.0080.00916.50
7.4.140.0100.01017.86
7.4.130.0140.01216.42
7.4.120.0100.00916.61
7.4.110.0120.01216.53
7.4.100.0070.01016.43
7.4.90.0070.00516.46
7.4.80.0110.01619.39
7.4.70.0060.01216.62
7.4.60.0100.01016.48
7.4.50.0070.01016.15
7.4.40.0110.00616.63
7.4.00.0050.01315.11
7.3.330.0000.00613.24
7.3.320.0020.00213.08
7.3.310.0040.00416.16
7.3.300.0030.00316.27
7.3.290.0000.00616.28
7.3.280.0080.01016.39
7.3.260.0090.00916.34
7.3.240.0090.01016.34
7.3.230.0160.00016.61
7.3.210.0030.01416.43
7.3.200.0090.00916.57
7.3.190.0090.01116.50
7.3.180.0110.00816.29
7.3.170.0150.00316.25
7.3.160.0130.00316.35
7.3.120.0090.00514.83
7.3.110.0040.00614.86
7.3.100.0070.00614.90
7.3.90.0040.00814.89
7.3.80.0090.00714.97
7.3.70.0100.00214.71
7.3.60.0060.00614.77
7.3.50.0020.01314.83
7.3.40.0020.01214.95
7.3.30.0120.00214.79
7.3.20.0050.01016.71
7.3.10.0050.00816.77
7.3.00.0070.00616.60
7.2.330.0060.01316.66
7.2.320.0090.00916.72
7.2.310.0120.00916.43
7.2.300.0040.01316.29
7.2.290.0090.00916.75
7.2.250.0000.01915.29
7.2.240.0100.00514.97
7.2.230.0060.00615.07
7.2.220.0030.00714.98
7.2.210.0080.00915.13
7.2.200.0020.01215.06
7.2.190.0050.01015.04
7.2.180.0020.01015.16
7.2.170.0020.00915.04
7.2.160.0030.00915.02
7.2.150.0000.01316.81
7.2.140.0070.00416.95
7.2.130.0080.00416.64
7.2.120.0060.01016.62
7.2.110.1160.01015.64
7.2.100.1390.00915.74
7.2.90.0940.00915.86
7.2.80.1080.00615.75
7.2.70.1280.01016.02
7.2.60.1190.00715.77
7.2.50.0940.01015.98
7.2.40.0860.00515.96
7.2.30.1430.00315.79
7.2.20.1250.00915.89
7.2.10.1440.00815.89
7.2.00.0930.00915.75
7.1.330.0070.00815.89
7.1.320.0020.01015.94
7.1.310.0060.00815.88
7.1.300.0050.00915.71
7.1.290.0030.01115.85
7.1.280.0080.00315.75
7.1.270.0070.00815.79
7.1.260.0080.00615.83
7.1.250.0060.00915.75
7.1.230.1960.00013.98
7.1.220.2150.00913.94
7.1.210.2120.00014.05
7.1.200.2070.00313.71
7.1.190.2660.01313.92
7.1.180.1760.01413.66
7.1.170.1960.00913.62
7.1.160.2130.00713.59
7.1.150.2380.00313.65
7.1.140.2330.00613.60
7.1.130.1950.00313.66
7.1.120.3320.00313.66
7.1.110.2300.00713.69
7.1.100.2880.01013.89
7.1.90.2110.00013.71
7.1.80.2130.00913.73
7.1.70.2100.01613.91
7.1.60.2160.01331.77
7.1.50.3130.01031.68
7.1.40.3600.00331.86
7.1.30.2790.01231.66
7.1.20.1860.01031.70
7.1.10.3000.00313.92
7.1.00.2380.01313.75
5.6.380.0060.01014.02

preferences:
70.9 ms | 400 KiB | 5 Q