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); $key = 1234; if (array_key_exists($key, $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)
8.3.60.0040.01418.43
8.3.50.0060.00916.50
8.3.40.0090.00618.54
8.3.30.0070.00718.89
8.3.20.0040.00420.21
8.3.10.0000.00823.57
8.3.00.0040.00419.38
8.2.180.0140.00717.00
8.2.170.0070.00722.96
8.2.160.0120.00620.45
8.2.150.0000.00824.18
8.2.140.0050.00224.66
8.2.130.0070.00021.11
8.2.120.0040.00426.35
8.2.110.0090.00022.29
8.2.100.0060.00618.28
8.2.90.0040.00419.17
8.2.80.0000.00718.04
8.2.70.0050.00317.63
8.2.60.0040.00418.05
8.2.50.0040.00418.10
8.2.40.0050.00520.61
8.2.30.0070.00419.33
8.2.20.0030.00618.22
8.2.10.0040.00418.00
8.2.00.0000.00817.95
8.1.280.0180.00025.92
8.1.270.0000.00822.09
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0000.00817.89
8.1.230.0040.00817.42
8.1.220.0000.00817.80
8.1.210.0080.00018.77
8.1.200.0090.00017.23
8.1.190.0080.00017.10
8.1.180.0060.00318.10
8.1.170.0090.00020.41
8.1.160.0040.00419.08
8.1.150.0000.00720.58
8.1.140.0070.00019.55
8.1.130.0030.00318.94
8.1.120.0000.00717.46
8.1.110.0040.00417.38
8.1.100.0000.00717.46
8.1.90.0080.00017.48
8.1.80.0050.00317.39
8.1.70.0000.00717.49
8.1.60.0060.00317.55
8.1.50.0000.00817.40
8.1.40.0000.00817.59
8.1.30.0080.00017.63
8.1.20.0090.00017.66
8.1.10.0070.00017.45
8.1.00.0000.00817.54
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0000.00717.17
8.0.260.0000.00616.77
8.0.250.0000.00616.97
8.0.240.0000.00716.99
8.0.230.0030.00316.93
8.0.220.0000.00716.92
8.0.210.0070.00016.95
8.0.200.0000.00617.00
8.0.190.0080.00017.03
8.0.180.0060.00616.89
8.0.170.0030.00517.04
8.0.160.0000.00716.96
8.0.150.0000.00716.96
8.0.140.0040.00416.88
8.0.130.0000.00513.35
8.0.120.0040.00416.82
8.0.110.0030.00316.95
8.0.100.0040.00416.91
8.0.90.0040.00416.86
8.0.80.0090.00616.88
8.0.70.0040.00416.83
8.0.60.0050.00216.93
8.0.50.0050.00216.78
8.0.30.0060.01217.00
8.0.20.0080.01217.40
8.0.10.0000.00816.91
8.0.00.0090.01216.75
7.4.330.0000.00515.55
7.4.320.0000.00616.43
7.4.300.0040.00416.50
7.4.290.0030.00316.47
7.4.280.0000.00716.60
7.4.270.0000.00816.50
7.4.260.0040.00816.47
7.4.250.0050.00316.52
7.4.240.0030.00316.51
7.4.230.0070.00016.41
7.4.220.0120.00616.65
7.4.210.0070.00716.63
7.4.200.0000.00716.58
7.4.160.0060.01016.45
7.4.150.0140.01117.40
7.4.140.0110.01017.86
7.4.130.0100.01016.69
7.4.120.0070.01316.53
7.4.110.0140.01316.48
7.4.100.0140.00916.56
7.4.90.0100.01216.61
7.4.80.0110.00519.39
7.4.70.0090.00616.44
7.4.60.0060.00916.67
7.4.50.0070.00616.57
7.4.40.0060.01216.62
7.4.30.0140.00316.36
7.4.00.0030.01115.05
7.3.330.0050.00013.15
7.3.320.0000.00613.17
7.3.310.0070.00016.11
7.3.300.0000.00616.31
7.3.290.0090.00416.32
7.3.280.0090.00716.31
7.3.270.0080.00817.40
7.3.260.0100.00816.34
7.3.250.0090.01116.37
7.3.240.0080.01116.40
7.3.230.0060.01216.43
7.3.210.0070.00816.25
7.3.200.0150.00316.21
7.3.190.0110.00616.44
7.3.180.0100.00616.34
7.3.170.0070.01016.58
7.3.160.0110.00616.53
7.3.120.0120.00614.84
7.3.110.0040.01214.82
7.3.100.0090.00614.88
7.3.90.0040.00714.51
7.3.80.0060.00915.07
7.3.70.0000.01314.87
7.3.60.0030.00914.63
7.3.50.0030.00714.75
7.3.40.0120.00314.68
7.3.30.0040.00714.78
7.3.20.0070.00716.56
7.3.10.0030.01316.91
7.3.00.0090.00016.67
7.2.330.0130.00316.71
7.2.320.0100.00616.50
7.2.310.0120.00316.84
7.2.300.0120.00616.68
7.2.290.0100.00616.65
7.2.250.0090.00615.19
7.2.240.0060.01314.89
7.2.230.0070.01014.78
7.2.220.0000.01115.22
7.2.210.0070.01014.96
7.2.200.0000.00915.18
7.2.190.0090.00614.98
7.2.180.0070.01014.91
7.2.170.0120.00314.92
7.2.60.0000.01516.76
7.2.00.0040.01119.35
7.1.330.0080.00415.95
7.1.320.0030.00915.76
7.1.310.0100.00715.73
7.1.300.0030.01015.77
7.1.290.0040.01115.85
7.1.280.0030.00915.90
7.1.270.0030.01015.77
7.1.260.0030.01316.02
7.1.200.0060.00615.79
7.1.100.0040.01117.77
7.1.70.0060.00617.27
7.1.60.0230.00334.99
7.1.50.0100.01634.63
7.1.40.0160.00834.42
7.1.30.0140.01034.48
7.1.20.0120.01234.45
7.1.10.0060.00616.36
7.1.00.0060.00616.76
7.0.200.0120.00016.88
7.0.190.0030.00916.60
7.0.180.0030.00916.18
7.0.170.0040.00716.28
7.0.160.0050.00716.26
7.0.150.0060.00616.19
7.0.140.0090.00316.20
7.0.130.0080.00416.44
7.0.120.0030.01016.42
7.0.110.0130.00316.26
7.0.100.0030.00916.21
7.0.90.0000.01116.28
7.0.80.0000.01116.27
7.0.70.0000.01216.52
7.0.60.0040.00815.91
7.0.50.0060.01016.44
7.0.40.0060.00616.58
7.0.30.0000.01216.49
7.0.20.0030.01016.51
7.0.10.0030.00916.44
7.0.00.0100.00316.52

preferences:
32.19 ms | 401 KiB | 5 Q