3v4l.org

run code in 300+ PHP versions simultaneously
<?php $serialized_array = serialize(array(1234=>array("something"=>"foobar"))); echo "Serialized Array: $serialized_array" . PHP_EOL; $array = unserialize($serialized_array); print_r($array); if (array_key_exists(1234, $array)) { echo "Key Exists!"; } else { echo "Key Not Found!"; }

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)
8.3.60.0110.00716.61
8.3.50.0070.00716.48
8.3.40.0040.01118.88
8.3.30.0080.00818.68
8.3.20.0040.00420.29
8.3.10.0080.00023.47
8.3.00.0080.00019.25
8.2.180.0100.01016.75
8.2.170.0090.00922.96
8.2.160.0100.00320.29
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00821.00
8.2.120.0080.00026.35
8.2.110.0100.00022.25
8.2.100.0040.00718.22
8.2.90.0030.00619.36
8.2.80.0080.00018.03
8.2.70.0030.00617.50
8.2.60.0070.00018.03
8.2.50.0080.00018.10
8.2.40.0000.00720.60
8.2.30.0030.00621.16
8.2.20.0000.00818.06
8.2.10.0040.00418.01
8.2.00.0030.00518.14
8.1.280.0140.00325.92
8.1.270.0070.00022.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00519.33
8.1.230.0060.00617.52
8.1.220.0040.00417.77
8.1.210.0050.00318.77
8.1.200.0030.00617.36
8.1.190.0030.00617.35
8.1.180.0080.00018.10
8.1.170.0030.00618.55
8.1.160.0040.00419.03
8.1.150.0020.00520.61
8.1.140.0000.00819.59
8.1.130.0030.00318.74
8.1.120.0000.00717.43
8.1.110.0070.00017.39
8.1.100.0050.00317.43
8.1.90.0050.00217.45
8.1.80.0000.00717.45
8.1.70.0040.00417.45
8.1.60.0050.00517.59
8.1.50.0060.00317.42
8.1.40.0000.00717.52
8.1.30.0040.00417.55
8.1.20.0000.00717.61
8.1.10.0040.00417.57
8.1.00.0000.00817.55
8.0.300.0000.00818.77
8.0.290.0080.00016.88
8.0.280.0070.00018.36
8.0.270.0000.00717.25
8.0.260.0030.00316.80
8.0.250.0060.00017.03
8.0.240.0030.00317.03
8.0.230.0000.00816.90
8.0.220.0000.00616.86
8.0.210.0040.00416.95
8.0.200.0040.00417.03
8.0.190.0040.00417.06
8.0.180.0030.00717.04
8.0.170.0000.00716.99
8.0.160.0030.00316.96
8.0.150.0040.00416.93
8.0.140.0080.00016.96
8.0.130.0030.00313.37
8.0.120.0000.00716.86
8.0.110.0000.00716.87
8.0.100.0040.00416.85
8.0.90.0000.00817.01
8.0.80.0120.00416.91
8.0.70.0030.00516.91
8.0.60.0050.00216.90
8.0.50.0070.00016.68
8.0.30.0130.00917.03
8.0.20.0100.00917.40
8.0.10.0050.00316.96
8.0.00.0060.01216.95
7.4.330.0030.00315.55
7.4.320.0000.00616.49
7.4.300.0030.00316.52
7.4.290.0050.00216.65
7.4.280.0040.00416.49
7.4.270.0000.00716.60
7.4.260.0070.00416.45
7.4.250.0070.00016.48
7.4.240.0030.00616.46
7.4.230.0030.00316.32
7.4.220.0090.01216.51
7.4.210.0060.00716.51
7.4.200.0000.00716.43
7.4.160.0170.00216.52
7.4.150.0160.00317.40
7.4.140.0070.01117.86
7.4.130.0070.01116.45
7.4.120.0100.00816.52
7.4.110.0140.00316.51
7.4.100.0070.01416.43
7.4.90.0100.00716.70
7.4.80.0120.00619.39
7.4.70.0000.01616.58
7.4.60.0090.00916.35
7.4.50.0090.00616.32
7.4.40.0130.00716.57
7.4.30.0110.00616.72
7.4.00.0000.01814.76
7.3.330.0000.00513.11
7.3.320.0000.00513.07
7.3.310.0070.00016.37
7.3.300.0060.00016.12
7.3.290.0100.00616.32
7.3.280.0090.00616.29
7.3.270.0090.00917.40
7.3.260.0080.01016.38
7.3.250.0090.00916.41
7.3.240.0090.00716.45
7.3.230.0120.00616.47
7.3.210.0080.00816.38
7.3.200.0130.01016.45
7.3.190.0080.00816.25
7.3.180.0090.01216.45
7.3.170.0060.01216.35
7.3.160.0090.00616.28
7.2.330.0130.00316.71
7.2.320.0120.00616.39
7.2.310.0130.00316.66
7.2.300.0090.00916.55
7.2.290.0050.01116.53
7.2.60.0180.00416.29
7.2.00.0000.01719.04
7.1.200.0090.00315.88
7.1.100.0140.00018.16
7.1.70.0140.01015.48
7.1.60.0270.00733.18
7.1.50.0200.01332.93
7.1.40.0300.00732.65
7.1.30.0280.01132.54
7.1.20.0260.01032.80
7.1.10.0130.01014.88
7.1.00.0140.00915.05
7.0.200.0180.00315.14
7.0.190.0150.00614.93
7.0.180.0170.00714.57
7.0.170.0180.00614.49
7.0.160.0160.01014.39
7.0.150.0180.00714.48
7.0.140.0230.00414.63
7.0.130.0160.00614.86
7.0.120.0390.01014.64
7.0.110.0170.00614.52
7.0.100.0220.00314.30
7.0.90.0110.01114.47
7.0.80.0150.00914.36
7.0.70.0170.00614.41
7.0.60.0120.01214.38
7.0.50.0160.00814.84
7.0.40.0120.00914.79
7.0.30.0120.01214.58
7.0.20.0180.00414.59
7.0.10.0160.00614.85
7.0.00.0140.00714.45

preferences:
38.51 ms | 401 KiB | 5 Q