3v4l.org

run code in 300+ PHP versions simultaneously
<?php $serialized_array = serialize(array(1234=>"foobar")); echo "Serialized Array: $serialized_array" . PHP_EOL; $array = unserialize($serialzed_array); print_r($array); echo array_key_check(1234, $array) . PHP_EOL;

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)
8.3.60.0070.01316.50
8.3.50.0170.00016.34
8.3.40.0140.00018.57
8.3.30.0110.00418.76
8.3.20.0040.00420.26
8.3.10.0000.00923.48
8.3.00.0080.00019.26
8.2.180.0180.00418.29
8.2.170.0100.00722.96
8.2.160.0100.00720.35
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00421.06
8.2.120.0040.00426.35
8.2.110.0040.00420.93
8.2.100.0040.00717.91
8.2.90.0050.00319.12
8.2.80.0060.00317.97
8.2.70.0000.00917.36
8.2.60.0030.00617.80
8.2.50.0000.00818.10
8.2.40.0030.00620.47
8.2.30.0040.00719.12
8.2.20.0050.00317.91
8.2.10.0070.00018.09
8.2.00.0080.00017.85
8.1.280.0170.00325.92
8.1.270.0090.00022.20
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.82
8.1.230.0110.00019.10
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.36
8.1.180.0090.00018.10
8.1.170.0030.00620.34
8.1.160.0000.00718.97
8.1.150.0000.00820.67
8.1.140.0040.00419.60
8.1.130.0000.00718.99
8.1.120.0000.00717.37
8.1.110.0040.00417.47
8.1.100.0030.00317.46
8.1.90.0090.00017.52
8.1.80.0000.00717.35
8.1.70.0070.00017.28
8.1.60.0080.00417.42
8.1.50.0050.00317.52
8.1.40.0000.00817.49
8.1.30.0000.00717.64
8.1.20.0040.00417.67
8.1.10.0030.00617.56
8.1.00.0070.00017.37
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.50
8.0.270.0000.00717.25
8.0.260.0030.00316.74
8.0.250.0070.00017.05
8.0.240.0000.00716.91
8.0.230.0030.00316.96
8.0.220.0030.00316.82
8.0.210.0050.00217.03
8.0.200.0060.00016.99
8.0.190.0080.00017.04
8.0.180.0040.00716.96
8.0.170.0000.00716.91
8.0.160.0000.00716.87
8.0.150.0040.00416.85
8.0.140.0080.00016.84
8.0.130.0000.00513.34
8.0.120.0000.00716.91
8.0.110.0070.00016.76
8.0.100.0050.00217.01
8.0.90.0000.00716.93
8.0.80.0040.01216.82
8.0.70.0070.00016.88
8.0.60.0000.00716.89
8.0.50.0070.00016.74
8.0.30.0090.00717.03
8.0.20.0080.01017.40
8.0.10.0040.00416.96
8.0.00.0080.01416.82
7.4.330.0050.00015.55
7.4.320.0070.00016.45
7.4.300.0030.00316.63
7.4.290.0070.00416.64
7.4.280.0040.00416.43
7.4.270.0060.00016.50
7.4.260.0040.00716.63
7.4.250.0030.00316.56
7.4.240.0030.00516.57
7.4.230.0000.00716.34
7.4.220.0040.01216.52
7.4.210.0060.00916.59
7.4.200.0040.00416.40
7.4.160.0070.00916.58
7.4.150.0130.00717.40
7.4.140.0150.00417.86
7.4.130.0190.00616.52
7.4.120.0090.01016.54
7.4.110.0030.01416.57
7.4.100.0140.01116.63
7.4.90.0060.01116.50
7.4.80.0060.01619.39
7.4.70.0100.00716.39
7.4.60.0100.00716.33
7.4.50.0070.00416.68
7.4.40.0070.01016.34
7.4.30.0030.01516.48
7.4.00.0090.00914.81
7.3.330.0020.00313.11
7.3.320.0030.00313.05
7.3.310.0070.00016.36
7.3.300.0060.00016.31
7.3.290.0090.00516.30
7.3.280.0090.00816.30
7.3.270.0170.01817.40
7.3.260.0040.01216.33
7.3.250.0080.01116.37
7.3.240.0070.01016.47
7.3.230.0100.00716.59
7.3.210.0070.01016.41
7.3.200.0120.00616.51
7.3.190.0100.00616.54
7.3.180.0060.00916.48
7.3.170.0060.00916.29
7.3.160.0060.00916.53
7.3.120.0100.01014.66
7.3.110.0100.01014.55
7.3.100.0120.00314.83
7.3.90.0060.00614.76
7.3.80.0090.00615.10
7.3.70.0090.00614.89
7.3.60.0070.00714.89
7.3.50.0120.00314.89
7.3.40.0090.00314.87
7.3.30.0080.00414.71
7.3.20.0120.00316.40
7.3.10.0120.00316.68
7.3.00.0120.00316.84
7.2.330.0120.00616.41
7.2.320.0140.00316.31
7.2.310.0100.00716.70
7.2.300.0070.01016.64
7.2.290.0100.00716.43
7.2.250.0070.01015.18
7.2.240.0030.01814.57
7.2.230.0030.01415.29
7.2.220.0120.00315.02
7.2.210.0100.00715.23
7.2.200.0030.01015.21
7.2.190.0140.00315.25
7.2.180.0080.00814.91
7.2.170.0040.00815.01
7.2.60.0030.01316.77
7.2.00.0030.01019.38
7.1.330.0070.00715.73
7.1.320.0060.00615.88
7.1.310.0040.01215.79
7.1.300.0030.01015.60
7.1.290.0070.00715.53
7.1.280.0000.01215.82
7.1.270.0060.00915.84
7.1.260.0030.01015.54
7.1.200.0060.00615.84
7.1.100.0000.01218.10
7.1.70.0050.00817.15
7.1.60.0130.01035.14
7.1.50.0180.00634.77
7.1.40.0130.01334.34
7.1.30.0120.01234.41
7.1.20.0140.01434.63
7.1.10.0040.00816.82
7.1.00.0090.00916.64
7.0.200.0000.01116.86
7.0.190.0110.00016.81
7.0.180.0060.00616.14
7.0.170.0040.00716.26
7.0.160.0030.01016.16
7.0.150.0170.01014.32
7.0.140.0030.01016.55
7.0.130.0090.00316.67
7.0.120.0000.01216.57
7.0.110.0000.01216.31
7.0.100.0060.00616.21
7.0.90.0060.00616.30
7.0.80.0180.01014.57
7.0.70.0250.00616.55
7.0.60.0170.01314.52
7.0.50.0200.00714.68
7.0.40.0190.00616.55
7.0.30.0130.01314.61
7.0.20.0090.00316.37
7.0.10.0030.00916.54
7.0.00.0000.01116.51

preferences:
34.74 ms | 401 KiB | 5 Q