3v4l.org

run code in 300+ PHP versions simultaneously
<?php function setKey($session_keys, $value) { $current_key = ''; $counter = 0; $prev_step = $_SESSION; try { $session_keys_array = explode(':', $session_keys); krsort($session_keys_array); $c = count($session_keys_array); $count = 0; $arr = array(); foreach ($session_keys_array as $key) { $count++; switch ($count) { case 1: $arr[$key] = $value; break; case ($count > 1 AND $count < $c): $arr[$key] = $arr; break; case $c: $_SESSION[$key] = $arr; break; } } } catch (Exception $e) { //TODO:log notice if Session[currentKey] is not an array return false; } return array_key_exists($key,$prev_step) && eval('!empty($_SESSION' . $current_key . ');'); } $_SESSION['1']['2']['3'] = 'zzzz'; setKey('1:2:3', 77); echo $_SESSION['1']['2']['3']; print_f($_SESSION);

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)
8.3.60.0100.01016.88
8.3.50.0160.00221.28
8.3.40.0110.00418.98
8.3.30.0210.00018.80
8.3.20.0040.00420.29
8.3.10.0070.00021.87
8.3.00.0050.00321.77
8.2.180.0120.00916.88
8.2.170.0060.01222.96
8.2.160.0140.00019.46
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00920.97
8.2.120.0040.00426.35
8.2.110.0030.00719.27
8.2.100.0090.00317.93
8.2.90.0080.00019.30
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0000.00917.93
8.2.50.0040.00418.09
8.2.40.0050.00322.36
8.2.30.0030.00519.47
8.2.20.0030.00517.78
8.2.10.0040.00418.04
8.2.00.0030.00618.16
8.1.280.0130.00625.92
8.1.270.0100.00623.79
8.1.260.0070.00028.09
8.1.250.0080.00028.09
8.1.240.0050.00522.57
8.1.230.0040.00717.77
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.47
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0090.00018.46
8.1.160.0000.00720.77
8.1.150.0000.00819.02
8.1.140.0000.00819.52
8.1.130.0030.00317.62
8.1.120.0030.00317.54
8.1.110.0030.00517.49
8.1.100.0040.00417.39
8.1.90.0050.00317.37
8.1.80.0040.00417.48
8.1.70.0080.00017.43
8.1.60.0040.00417.49
8.1.50.0080.00017.43
8.1.40.0000.00817.42
8.1.30.0040.00417.66
8.1.20.0040.00417.55
8.1.10.0040.00417.47
8.1.00.0080.00017.55
8.0.300.0020.00518.90
8.0.290.0040.00416.75
8.0.280.0000.00718.36
8.0.270.0040.00417.27
8.0.260.0030.00317.29
8.0.250.0030.00316.86
8.0.240.0060.00316.92
8.0.230.0030.00316.98
8.0.220.0040.00416.93
8.0.210.0070.00017.00
8.0.200.0050.00317.04
8.0.190.0040.00416.94
8.0.180.0000.00816.98
8.0.170.0000.00816.82
8.0.160.0040.00416.97
8.0.150.0030.00316.90
8.0.140.0070.00016.91
8.0.130.0020.00513.47
8.0.120.0000.00816.89
8.0.110.0050.00216.95
8.0.100.0000.00716.97
8.0.90.0000.00816.80
8.0.80.0090.00616.87
8.0.70.0000.00717.04
8.0.60.0000.00716.98
8.0.50.0050.00216.76
8.0.30.0110.00617.34
8.0.20.0090.01117.40
8.0.10.0000.00717.15
8.0.00.0080.01216.82
7.4.330.0050.00016.79
7.4.320.0070.00016.47
7.4.300.0080.00016.50
7.4.290.0030.00316.65
7.4.280.0040.00416.42
7.4.270.0050.00316.66
7.4.260.0000.00716.52
7.4.250.0070.00016.52
7.4.240.0070.00016.45
7.4.230.0030.00316.42
7.4.220.0100.01016.69
7.4.210.0090.00916.62
7.4.200.0030.00316.31
7.4.160.0090.00616.41
7.4.150.0040.01617.40
7.4.140.0060.01217.86
7.4.130.0060.01116.68
7.4.120.0050.01216.54
7.4.110.0150.00316.53
7.4.100.0150.00416.54
7.4.90.0090.01516.63
7.4.80.0030.01519.39
7.4.70.0040.01116.39
7.4.60.0060.00916.45
7.4.50.0090.01016.23
7.4.40.0100.00616.53
7.4.30.0120.00816.53
7.4.10.0000.01315.11
7.4.00.0120.00714.86
7.3.330.0000.00613.23
7.3.320.0060.00013.43
7.3.310.0080.00016.45
7.3.300.0050.00316.49
7.3.290.0100.00616.46
7.3.280.0030.01216.44
7.3.270.0170.00017.40
7.3.260.0040.01416.48
7.3.250.0120.00516.34
7.3.240.0110.00616.42
7.3.230.0040.01516.58
7.3.210.0140.00716.63
7.3.200.0140.00319.39
7.3.190.0130.00716.55
7.3.180.0130.00316.64
7.3.170.0080.00816.58
7.3.160.0060.00916.57
7.3.130.0000.01814.75
7.3.120.0060.01214.92
7.3.110.0030.01315.12
7.3.100.0090.00614.92
7.3.90.0060.00914.78
7.3.80.0030.01215.06
7.3.70.0030.01414.96
7.3.60.0070.01114.85
7.3.50.0080.00814.85
7.3.40.0080.00014.84
7.3.30.0000.00914.69
7.3.20.0040.00416.71
7.3.10.0130.00316.52
7.3.00.0070.00316.83
7.2.330.0100.01016.65
7.2.320.0090.01316.62
7.2.310.0060.01016.48
7.2.300.0130.00316.89
7.2.290.0170.00716.81
7.2.260.0130.00715.32
7.2.250.0070.01014.91
7.2.240.0080.00415.22
7.2.230.0070.01115.02
7.2.220.0030.01515.08
7.2.210.0090.00614.98
7.2.200.0110.00315.18
7.2.190.0000.01415.04
7.2.180.0110.00715.26
7.2.170.0090.00314.95
7.2.160.0060.00615.02
7.2.150.0000.00916.77
7.2.140.0060.00816.79
7.2.130.0030.01016.89
7.2.120.0070.00316.99
7.2.110.0090.00016.91
7.2.100.0040.01117.02
7.2.90.0080.00316.95
7.2.80.0090.00616.74
7.2.70.0070.00317.08
7.2.60.0060.01016.76
7.2.50.0000.01716.81
7.2.40.0060.00616.73
7.2.30.0060.00616.96
7.2.20.0040.01417.03
7.2.10.0070.01016.96
7.2.00.0010.01318.27
7.1.330.0040.00815.63
7.1.320.0060.00615.84
7.1.310.0110.00315.93
7.1.300.0070.01015.43
7.1.290.0050.00315.81
7.1.280.0060.00315.95
7.1.270.0030.01015.69
7.1.260.0080.00615.89
7.1.250.0070.00715.86
7.1.240.0000.01015.68
7.1.230.0060.00615.83
7.1.220.0030.01015.63
7.1.210.0000.01015.86
7.1.200.0030.01015.89
7.1.190.0070.00415.79
7.1.180.0030.01315.55
7.1.170.0000.01715.82
7.1.160.0040.00715.58
7.1.150.0060.01015.79
7.1.140.0100.00715.65
7.1.130.0070.00715.95
7.1.120.0090.00315.81
7.1.110.0050.00515.80
7.1.100.0020.00816.76
7.1.90.0060.00615.89
7.1.80.0070.01015.85
7.1.70.0060.00416.18
7.1.60.0030.01517.57
7.1.50.0060.01316.46
7.1.40.0030.00616.02
7.1.30.0040.00415.89
7.1.20.0040.00815.88
7.1.10.0070.00315.54
7.1.00.0050.04219.14
7.0.330.0040.01115.46
7.0.320.0030.00615.56
7.0.310.0060.00315.36
7.0.300.0000.01515.64
7.0.290.0060.00615.45
7.0.280.0080.00815.46
7.0.270.0100.00315.41
7.0.260.0030.01015.22
7.0.250.0000.01315.43
7.0.240.0060.00615.61
7.0.230.0040.00415.37
7.0.220.0040.00415.53
7.0.210.0000.01015.51
7.0.200.0210.00915.10
7.0.190.0110.00415.58
7.0.180.0110.00515.48
7.0.170.0000.00815.50
7.0.160.0110.00715.36
7.0.150.0070.00715.29
7.0.140.0070.00715.41
7.0.130.0000.01415.36
7.0.120.0000.00815.62
7.0.110.0030.00915.46
7.0.100.0080.00015.47
7.0.90.0080.00015.21
7.0.80.0030.00915.39
7.0.70.0070.00315.17
7.0.60.0120.04218.60
7.0.50.0070.03016.67
7.0.40.0050.02516.70
7.0.30.0150.04816.79
7.0.20.0170.03116.93
7.0.10.0070.04716.87
7.0.00.0110.03816.94
5.6.400.0040.00414.32
5.6.390.0000.01514.80
5.6.380.0100.00314.54
5.6.370.0100.00314.49
5.6.360.0000.01614.80
5.6.350.0060.00614.54
5.6.340.0000.01014.38
5.6.330.0070.00314.67
5.6.320.0000.00814.14
5.6.310.0030.00814.36
5.6.300.0080.00414.84
5.6.290.0100.00314.63
5.6.280.0030.04217.75
5.6.270.0030.00714.42
5.6.260.0000.01114.51
5.6.250.0000.00914.49
5.6.240.0070.00714.43
5.6.230.0040.00714.39
5.6.220.0030.00614.80
5.6.210.0050.03217.60
5.6.200.0090.02116.37
5.6.190.0070.02817.51
5.6.180.0190.04217.63
5.6.170.0130.02217.38
5.6.160.0060.04317.40
5.6.150.0070.02316.45
5.6.140.0100.04316.37
5.6.130.0020.04116.21
5.6.120.0020.05217.65
5.6.110.0110.02617.74
5.6.100.0070.04417.72
5.6.90.0080.02317.72
5.6.80.0070.04517.48
5.6.70.0040.01114.37
5.6.60.0030.00714.16
5.6.50.0030.01414.38
5.6.40.0060.01014.04
5.6.30.0060.00914.33
5.6.20.0030.01214.40
5.6.10.0000.01114.34
5.6.00.0000.01114.39
5.5.380.0040.01114.43
5.5.370.0060.00314.25
5.5.360.0050.00314.29
5.5.350.0020.04717.29
5.5.340.0080.04316.40
5.5.330.0120.03817.35
5.5.320.0370.03017.29
5.5.310.0110.03517.46
5.5.300.0040.02716.30
5.5.290.0030.04816.09
5.5.280.0070.02417.67
5.5.270.0090.04617.74
5.5.260.0050.04417.59
5.5.250.0100.04217.60
5.5.240.0150.03817.40
5.5.230.0060.00914.45
5.5.220.0090.00014.21
5.5.210.0000.01014.38
5.5.200.0060.00314.27
5.5.190.0060.00914.55
5.5.180.0000.01414.21
5.5.170.0000.01114.43
5.5.160.0060.01014.54
5.5.150.0100.00714.13
5.5.140.0040.00714.66
5.5.130.0060.00814.48
5.5.120.0030.01214.11
5.5.110.0060.00914.45
5.5.100.0100.00714.34
5.5.90.0060.00314.50
5.5.80.0030.01014.54
5.5.70.0060.00614.67
5.5.60.0040.01114.35
5.5.50.0000.01514.48
5.5.40.0040.00414.43
5.5.30.0000.01214.66
5.5.20.0070.00314.60
5.5.10.0000.01413.83
5.5.00.0070.00713.97

preferences:
57.7 ms | 401 KiB | 5 Q