3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'foo' => 'FOO', 'bar' => 'BAR', 'baz' => 'BAZ', 'dragons' => 'DRAGONS', ]; var_dump( $array ); (unset) $array['foo']; var_dump( $array ); unset( $array['foo'] ); var_dump( $array ); var_dump( $array['foo'] );

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)
8.3.70.0080.01118.30
8.3.60.0140.00018.31
8.3.50.0080.00816.48
8.3.40.0060.00918.80
8.3.30.0030.01018.59
8.3.20.0000.00821.73
8.3.10.0000.00721.86
8.3.00.0040.00418.98
8.2.190.0170.00316.58
8.2.180.0040.01118.16
8.2.170.0110.00422.96
8.2.160.0100.00322.27
8.2.150.0050.00324.18
8.2.140.0050.00224.66
8.2.130.0050.00326.16
8.2.120.0040.00421.03
8.2.110.0030.00919.45
8.2.100.0110.00017.91
8.2.90.0030.00618.95
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0060.00317.80
8.2.50.0000.00818.10
8.2.40.0050.00220.68
8.2.30.0030.00519.05
8.2.20.0000.00717.83
8.2.10.0040.00417.84
8.2.00.0000.00717.90
8.1.280.0070.00725.92
8.1.270.0080.00023.91
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0130.00321.36
8.1.230.0080.00419.05
8.1.220.0050.00217.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0080.00017.11
8.1.180.0050.00218.10
8.1.170.0000.00818.72
8.1.160.0050.00318.80
8.1.150.0040.00420.04
8.1.140.0040.00419.40
8.1.130.0030.00318.63
8.1.120.0040.00717.32
8.1.110.0050.00217.34
8.1.100.0040.00417.18
8.1.90.0000.00717.32
8.1.80.0000.00717.36
8.1.70.0000.00717.36
8.1.60.0080.00017.40
8.1.50.0040.00417.40
8.1.40.0000.00817.38
8.1.30.0060.00317.37
8.1.20.0030.00617.46
8.1.10.0030.00617.27
8.1.00.0000.00717.30
8.0.300.0070.00019.75
8.0.290.0090.00016.63
8.0.280.0000.00718.31
8.0.270.0030.00317.12
8.0.260.0000.00816.74
8.0.250.0040.00416.84
8.0.240.0040.00416.88
8.0.230.0030.00616.94
8.0.220.0030.00316.66
8.0.210.0030.00316.72
8.0.200.0070.00016.91
8.0.190.0000.00716.85
8.0.180.0000.00716.84
8.0.170.0060.00316.88
8.0.160.0000.00716.77
8.0.150.0000.00716.82
8.0.140.0030.00316.77
8.0.130.0030.00313.20
8.0.120.0030.00516.70
8.0.110.0040.00416.93
8.0.100.0000.00716.72
8.0.90.0000.00816.79
8.0.80.0000.01516.81
8.0.70.0040.00416.77
8.0.60.0040.00416.83
8.0.50.0000.00716.69
8.0.30.0080.01117.01
8.0.20.0130.00517.40
8.0.10.0000.00816.92
8.0.00.0070.01016.53
7.4.330.0050.00015.55
7.4.320.0030.00316.38
7.4.300.0060.00016.51
7.4.290.0040.00416.61
7.4.280.0000.00716.50
7.4.270.0050.00216.52
7.4.260.0030.00313.29
7.4.250.0070.00016.57
7.4.240.0040.00416.53
7.4.230.0000.00716.62
7.4.220.0110.00716.65
7.4.210.0060.00916.64
7.4.200.0000.00716.59
7.4.160.0130.00316.59
7.4.150.0110.00717.40
7.4.140.0140.00717.86
7.4.130.0110.00816.41
7.4.120.0100.01216.62
7.4.110.0040.01516.45
7.4.100.0200.00016.47
7.4.90.0070.01416.75
7.4.80.0130.01019.39
7.4.70.0060.01016.35
7.4.60.0030.01216.70
7.4.50.0070.01116.59
7.4.40.0170.00016.53
7.4.30.0080.00916.57
7.4.00.0070.01015.29
7.3.330.0060.00313.30
7.3.320.0030.00313.14
7.3.310.0040.00416.54
7.3.300.0070.00016.45
7.3.290.0050.01116.40
7.3.280.0090.00916.37
7.3.270.0070.01117.40
7.3.260.0130.00716.38
7.3.250.0110.01016.42
7.3.240.0030.01416.50
7.3.230.0090.01516.27
7.3.210.0100.00716.49
7.3.200.0090.00916.51
7.3.190.0100.01016.50
7.3.180.0130.00716.38
7.3.170.0030.01316.38
7.3.160.0030.01316.43
7.2.330.0160.00816.55
7.2.320.0060.01216.37
7.2.310.0060.01116.73
7.2.300.0140.00716.75
7.2.290.0080.00816.62
7.2.60.0040.00417.15
7.2.50.0090.00616.98
7.2.00.0040.01419.28
7.1.200.0030.01015.57
7.1.70.0000.01017.28
7.1.60.0530.01733.09
7.1.50.0600.01732.83
7.1.40.0430.01332.34
7.1.30.0430.00732.60
7.1.20.0400.01332.79
7.1.10.0270.01014.64
7.1.00.0170.02014.59
7.0.200.0470.02014.55
7.0.190.0330.00315.00
7.0.180.0330.01014.29
7.0.170.0330.00714.45
7.0.160.0330.01014.28
7.0.150.0270.01014.51
7.0.140.0570.00714.36
7.0.130.0330.01314.68
7.0.120.0330.01714.73
7.0.110.0400.01314.63
7.0.100.0770.00714.43
7.0.90.0400.00714.49
7.0.80.0330.01014.50
7.0.70.0030.01314.36
7.0.60.0130.01014.21
7.0.50.0330.00714.53
7.0.40.0430.00714.87
7.0.30.0400.00314.70
7.0.20.0270.01314.49
7.0.10.0270.00714.53
7.0.00.0600.00714.35

preferences:
37.41 ms | 401 KiB | 5 Q