3v4l.org

run code in 300+ PHP versions simultaneously
<?php $serialized_array = serialize(array(1234=>"foobar")); echo "Serialized Array: $serialized_array" . PHP_EOL; $array = unserialize($serialized_array); print_r($array); echo array_key_exists(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)
8.3.60.0090.00916.75
8.3.50.0030.01316.48
8.3.40.0140.00018.80
8.3.30.0120.00318.71
8.3.20.0050.00220.16
8.3.10.0100.00023.71
8.3.00.0000.00919.25
8.2.180.0150.00616.75
8.2.170.0140.00022.96
8.2.160.0100.00322.14
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0070.00020.89
8.2.120.0040.00426.35
8.2.110.0090.00020.52
8.2.100.0040.00717.91
8.2.90.0060.00319.24
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0080.00020.61
8.2.30.0030.00819.20
8.2.20.0040.00418.11
8.2.10.0000.00718.12
8.2.00.0000.00817.93
8.1.280.0110.00625.92
8.1.270.0070.00322.14
8.1.260.0020.00526.35
8.1.250.0080.00028.09
8.1.240.0090.00022.13
8.1.230.0040.00823.76
8.1.220.0030.00517.79
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0040.00417.10
8.1.180.0000.00718.10
8.1.170.0060.00318.69
8.1.160.0000.00819.05
8.1.150.0040.00420.63
8.1.140.0070.00019.58
8.1.130.0070.00018.91
8.1.120.0000.00717.48
8.1.110.0000.00817.49
8.1.100.0020.00517.42
8.1.90.0030.00517.45
8.1.80.0000.00717.47
8.1.70.0030.00317.47
8.1.60.0090.00317.51
8.1.50.0030.00517.49
8.1.40.0050.00317.53
8.1.30.0040.00417.60
8.1.20.0000.00917.50
8.1.10.0050.00317.49
8.1.00.0070.00017.43
8.0.300.0000.00718.77
8.0.290.0060.00316.75
8.0.280.0000.00718.41
8.0.270.0080.00017.26
8.0.260.0060.00016.95
8.0.250.0030.00316.93
8.0.240.0000.00717.04
8.0.230.0030.00316.97
8.0.220.0040.00416.85
8.0.210.0000.00716.93
8.0.200.0000.00717.02
8.0.190.0080.00717.04
8.0.180.0030.00616.99
8.0.170.0040.00416.90
8.0.160.0000.00717.03
8.0.150.0050.00216.79
8.0.140.0040.00416.77
8.0.130.0030.00313.36
8.0.120.0040.00416.93
8.0.110.0000.00717.02
8.0.100.0040.00416.98
8.0.90.0070.00017.02
8.0.80.0130.00316.88
8.0.70.0030.00616.82
8.0.60.0040.00416.76
8.0.50.0070.00016.78
8.0.30.0120.00517.13
8.0.20.0140.00717.40
8.0.10.0040.00417.13
8.0.00.0090.00916.85
7.4.330.0000.00615.55
7.4.320.0000.00716.50
7.4.300.0000.00616.46
7.4.290.0000.00816.57
7.4.280.0070.00016.45
7.4.270.0030.00316.61
7.4.260.0000.00716.53
7.4.250.0070.00016.42
7.4.240.0000.00716.50
7.4.230.0070.00016.39
7.4.220.0130.00916.56
7.4.210.0030.01016.56
7.4.200.0000.00816.59
7.4.160.0060.00916.58
7.4.150.0160.00917.40
7.4.140.0110.01017.86
7.4.130.0030.01416.57
7.4.120.0100.00916.56
7.4.110.0130.01016.46
7.4.100.0060.02116.57
7.4.90.0070.01016.63
7.4.80.0130.01019.39
7.4.70.0100.00616.70
7.4.60.0100.00716.65
7.4.50.0080.00616.48
7.4.40.0100.00716.58
7.4.30.0100.00716.75
7.4.00.0030.01214.79
7.3.330.0030.00313.03
7.3.320.0000.00613.30
7.3.310.0040.00416.21
7.3.300.0030.00316.14
7.3.290.0080.00716.27
7.3.280.0080.00916.28
7.3.270.0090.00817.40
7.3.260.0090.00716.63
7.3.250.0090.00816.45
7.3.240.0130.00516.52
7.3.230.0060.01216.38
7.3.210.0070.01016.30
7.3.200.0110.00616.40
7.3.190.0070.01016.48
7.3.180.0080.00816.62
7.3.170.0080.00816.44
7.3.160.0090.00616.27
7.3.120.0060.01314.81
7.3.110.0070.01014.53
7.3.100.0080.00414.75
7.3.90.0060.00914.77
7.3.80.0070.00714.54
7.3.70.0000.01314.64
7.3.60.0140.00014.73
7.3.50.0160.00014.93
7.3.40.0040.00414.66
7.3.30.0090.00614.86
7.3.20.0000.01316.59
7.3.10.0000.01716.64
7.3.00.0060.00316.59
7.2.330.0040.01616.39
7.2.320.0100.00716.75
7.2.310.0080.00816.72
7.2.300.0170.00016.64
7.2.290.0070.01016.63
7.2.250.0060.01315.18
7.2.240.0170.00314.96
7.2.230.0090.00915.04
7.2.220.0100.01014.80
7.2.210.0070.00715.21
7.2.200.0030.00914.73
7.2.190.0040.01415.01
7.2.180.0000.01514.96
7.2.170.0030.00614.94
7.2.60.0070.00716.51
7.2.00.0030.01019.55
7.1.330.0070.00715.59
7.1.320.0070.00715.96
7.1.310.0070.01015.84
7.1.300.0040.00715.73
7.1.290.0000.01615.75
7.1.280.0030.00915.52
7.1.270.0050.00515.64
7.1.260.0100.00615.65
7.1.200.0040.01115.79
7.1.100.0040.00417.76
7.1.70.0040.01117.26
7.1.60.0150.00935.09
7.1.50.0190.01634.88
7.1.40.0230.00634.30
7.1.30.0220.00634.49
7.1.20.0130.01334.72
7.1.10.0030.00916.64
7.1.00.0050.00816.48
7.0.200.0120.00016.66
7.0.190.0000.01116.60
7.0.180.0060.00916.31
7.0.170.0050.00815.96
7.0.160.0090.00316.18
7.0.150.0070.00416.28
7.0.140.0040.00716.24
7.0.130.0070.01016.56
7.0.120.0090.00316.46
7.0.110.0030.00916.21
7.0.100.0060.00616.26
7.0.90.0030.01216.20
7.0.80.0000.01616.28
7.0.70.0060.00616.29
7.0.60.0040.00916.16
7.0.50.0060.00616.35
7.0.40.0000.01116.28
7.0.30.0060.00616.45
7.0.20.0050.00816.60
7.0.10.0040.00716.52
7.0.00.0100.00316.43

preferences:
47.77 ms | 401 KiB | 5 Q