3v4l.org

run code in 300+ PHP versions simultaneously
<?php function o($num) { return (object) array('num' => $num); } $arr = array( 14 => array('x' => o(1), 'oele' => array(o(1), o(2), o(3), o(4))), 91 => array('x' => o(1), 'oele' => array(o(9), o(8), o(7), o(6))), ); foreach ( $arr as $i => &$session ) { $session['boele']['one'] = 4; // works $session['boele']['two'] = array_reduce($session['oele'], function($sum, $app) use ($session) { return $sum + $app->num * $session['x']->y; }, 0); // don't works unset($session); } print_r($arr);

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)
8.3.60.0060.01018.43
8.3.50.0140.00521.15
8.3.40.0120.00618.78
8.3.30.0080.00818.88
8.3.20.0120.00320.21
8.3.10.0080.00023.65
8.3.00.0030.00519.67
8.2.180.0120.00318.30
8.2.170.0060.01022.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0100.00324.66
8.2.130.0060.00326.16
8.2.120.0030.00617.75
8.2.110.0030.00622.12
8.2.100.0090.00317.96
8.2.90.0000.00817.88
8.2.80.0060.00317.97
8.2.70.0000.00818.05
8.2.60.0000.00817.93
8.2.50.0030.00518.10
8.2.40.0060.00320.61
8.2.30.0000.00818.17
8.2.20.0000.00817.72
8.2.10.0040.00418.14
8.2.00.0020.00518.14
8.1.280.0140.00325.92
8.1.270.0060.00320.36
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0090.00024.02
8.1.230.0110.00019.00
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0000.01017.35
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0090.00018.66
8.1.160.0000.00723.71
8.1.150.0070.00018.97
8.1.140.0000.00817.42
8.1.130.0090.00317.78
8.1.120.0040.00417.50
8.1.110.0040.00417.49
8.1.100.0000.00717.48
8.1.90.0070.00017.50
8.1.80.0070.00017.52
8.1.70.0030.00517.48
8.1.60.0060.00317.50
8.1.50.0040.00417.59
8.1.40.0080.00017.52
8.1.30.0000.00817.58
8.1.20.0060.00317.64
8.1.10.0040.00417.53
8.1.00.0030.00617.56
8.0.300.0060.00319.64
8.0.290.0000.00816.88
8.0.280.0040.00418.53
8.0.270.0050.00317.24
8.0.260.0030.00317.21
8.0.250.0030.00517.09
8.0.240.0060.00017.09
8.0.230.0000.00817.03
8.0.220.0050.00216.92
8.0.210.0000.00716.95
8.0.200.0000.00716.89
8.0.190.0050.00317.04
8.0.180.0000.00717.00
8.0.170.0030.00617.05
8.0.160.0030.00517.00
8.0.150.0070.00016.91
8.0.140.0000.00716.85
8.0.130.0030.00313.46
8.0.120.0000.00816.97
8.0.110.0040.00416.89
8.0.100.0000.00717.10
8.0.90.0030.00617.01
8.0.80.0090.00917.01
8.0.70.0000.00716.99
8.0.60.0000.00716.89
8.0.50.0030.00516.99
8.0.30.0110.00617.24
8.0.20.0110.00817.41
8.0.10.0050.00217.12
8.0.00.0090.01116.91
7.4.330.0000.00515.15
7.4.320.0030.00316.63
7.4.300.0030.00316.45
7.4.290.0080.00016.56
7.4.280.0000.00716.53
7.4.270.0000.00716.52
7.4.260.0040.00416.52
7.4.250.0040.00416.59
7.4.240.0020.00516.55
7.4.230.0070.00016.66
7.4.220.0060.01616.74
7.4.210.0150.00416.50
7.4.200.0070.00016.64
7.4.160.0080.00816.61
7.4.150.0160.00617.40
7.4.140.0080.01017.86
7.4.130.0090.00916.62
7.4.120.0060.01316.49
7.4.110.0060.01116.64
7.4.100.0170.00716.65
7.4.90.0150.00316.45
7.4.80.0100.00719.39
7.4.70.0070.01016.55
7.4.60.0120.00416.49
7.4.50.0020.00216.67
7.4.40.0100.00716.48
7.4.30.0100.01316.68
7.4.00.0060.01114.91
7.3.330.0050.00013.41
7.3.320.0050.00013.46
7.3.310.0030.00316.49
7.3.300.0030.00316.46
7.3.290.0110.00416.42
7.3.280.0080.00516.41
7.3.270.0200.01317.40
7.3.260.0040.01316.39
7.3.250.0080.00916.52
7.3.240.0160.00416.69
7.3.230.0100.01416.70
7.3.210.0090.00616.53
7.3.200.0120.00619.39
7.3.190.0080.00816.58
7.3.180.0040.01216.41
7.3.170.0160.00216.64
7.3.160.0150.00616.52
7.3.120.0000.01615.12
7.3.110.0090.00915.09
7.3.100.0030.00714.80
7.3.90.0090.00314.79
7.3.80.0070.01015.02
7.3.70.0000.01314.98
7.3.60.0080.00014.76
7.3.50.0100.00714.88
7.3.40.0110.00414.91
7.3.30.0060.00614.71
7.3.20.0090.00616.72
7.3.10.0060.00916.71
7.3.00.0080.00316.69
7.2.330.0070.01016.87
7.2.320.0120.00616.51
7.2.310.0060.01216.42
7.2.300.0040.02016.59
7.2.290.0030.01416.80
7.2.250.0060.01314.73
7.2.240.0100.01015.09
7.2.230.0060.00915.06
7.2.220.0060.00715.23
7.2.210.0030.01315.11
7.2.200.0090.00614.80
7.2.190.0040.00815.02
7.2.180.0030.01214.95
7.2.170.0100.00315.04
7.2.00.0060.00619.43
7.1.330.0000.01415.70
7.1.320.0080.00815.93
7.1.310.0070.00715.95
7.1.300.0150.00015.86
7.1.290.0040.01115.77
7.1.280.0030.01016.02
7.1.270.0000.01415.79
7.1.260.0110.00315.87
7.1.100.0030.00617.97
7.1.70.0060.00617.26
7.1.60.0030.01620.03
7.1.50.0030.02016.84
7.1.00.0070.07322.38
7.0.200.0070.00316.84
7.0.60.0100.07019.81
7.0.50.0170.07717.91
7.0.40.0100.08320.25
7.0.30.0230.05020.08
7.0.20.0230.07020.12
7.0.10.0130.04020.29
7.0.00.0070.08320.16
5.6.280.0000.08021.13
5.6.210.0030.05020.52
5.6.200.0000.04718.13
5.6.190.0030.04720.55
5.6.180.0300.07320.49
5.6.170.0370.06720.51
5.6.160.0130.05320.39
5.6.150.0070.08318.17
5.6.140.0070.08718.28
5.6.130.0170.07018.28
5.6.120.0030.07021.15
5.6.110.0070.06321.02
5.6.100.0200.08021.03
5.6.90.0100.08020.99
5.6.80.0070.04720.36
5.6.70.2900.03320.38
5.5.350.0330.05020.34
5.5.340.0030.09018.00
5.5.330.0070.08720.27
5.5.320.0100.07720.34
5.5.310.0230.04320.37
5.5.300.0070.06718.08
5.5.290.0100.04017.98
5.5.280.0100.04020.80
5.5.270.0130.07320.69
5.5.260.0030.04320.89
5.5.250.0000.05720.72
5.5.240.0330.05020.27
5.4.450.0200.05719.54
5.4.440.0500.07719.58
5.4.430.0200.06019.16
5.4.420.0170.06319.33
5.4.410.0200.06719.06
5.4.400.0270.05019.22
5.4.390.0270.05719.01
5.4.380.0330.05318.87
5.4.370.0300.05719.38
5.4.360.0270.05719.13
5.4.350.0330.05019.22
5.4.340.0230.06019.26
5.4.320.0270.05719.15
5.4.310.0200.06319.30
5.4.300.0400.05719.25
5.4.290.0100.07019.01
5.4.280.0300.05319.40
5.4.270.0330.05019.00
5.4.260.0170.06019.00
5.4.250.0570.05019.30
5.4.240.0370.04719.28
5.4.230.0270.08319.30
5.4.220.0170.08319.00
5.4.210.0170.07719.34
5.4.200.0200.06016.69
5.4.190.0330.04019.25
5.4.180.0200.06719.28
5.4.170.0430.06019.00
5.4.160.0400.05019.34
5.4.150.0400.04718.88
5.4.140.0330.06716.60
5.4.130.0300.05716.31
5.4.120.0270.05316.43
5.4.110.0330.06016.34
5.4.100.0130.06016.50
5.4.90.0230.05016.57
5.4.80.0230.05016.45
5.4.70.0200.07016.54
5.4.60.0400.05316.36
5.4.50.0270.07016.28
5.4.40.0270.06016.48
5.4.30.0370.05316.27
5.4.20.0330.06716.37
5.4.10.0400.05316.40
5.4.00.0430.05016.18

preferences:
58.93 ms | 401 KiB | 5 Q