3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fixed = SplFixedArray::fromArray(range(1, 3)); $fixed->undefined = 'undefined'; $serialized = serialize($fixed); $unserialized = unserialize($serialized); var_dump($unserialized); var_export($unserialized); echo "\n"; // for comparison var_dump($fixed); var_export($fixed); echo "\n";

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)
8.3.40.0130.00721.78
8.3.30.0150.00018.86
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.170.0090.00622.96
8.2.160.0160.00322.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.39
8.2.110.0030.00620.57
8.2.100.0060.00617.91
8.2.90.0030.00617.75
8.2.80.0050.00318.61
8.2.70.0040.00417.50
8.2.60.0040.00417.50
8.2.50.0040.00418.05
8.2.40.0060.00318.22
8.2.30.0000.00718.03
8.2.20.0000.00717.96
8.2.10.0040.00419.23
8.2.00.0050.00319.25
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.77
8.1.230.0040.00722.11
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0050.00317.35
8.1.190.0050.00317.22
8.1.180.0000.00818.10
8.1.170.0040.00418.63
8.1.160.0060.00318.84
8.1.150.0050.00218.88
8.1.140.0050.00318.77
8.1.130.0040.00419.04
8.1.120.0000.00717.46
8.1.110.0040.00417.30
8.1.100.0000.00717.43
8.1.90.0030.00617.45
8.1.80.0000.00717.38
8.1.70.0040.00417.43
8.1.60.0000.00917.48
8.1.50.0000.00817.50
8.1.40.0050.00317.52
8.1.30.0040.00417.50
8.1.20.0000.00717.55
8.1.10.0030.00517.58
8.1.00.0040.00417.54
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0050.00218.47
8.0.270.0070.00018.09
8.0.260.0100.00016.91
8.0.250.0000.00717.06
8.0.240.0040.00416.86
8.0.230.0080.00017.00
8.0.220.0070.00016.80
8.0.210.0000.00716.93
8.0.200.0030.00316.96
8.0.190.0070.00016.93
8.0.180.0030.00516.83
8.0.170.0040.00416.84
8.0.160.0070.00016.95
8.0.150.0030.00616.96
8.0.140.0100.00016.79
8.0.130.0000.00513.43
8.0.120.0050.00216.77
8.0.110.0000.00816.78
8.0.100.0050.00216.88
8.0.90.0040.00417.02
8.0.80.0090.00716.83
8.0.70.0080.00016.81
8.0.60.0040.00416.89
8.0.50.0000.00716.97
8.0.30.0120.00617.16
8.0.20.0090.00916.95
8.0.10.0040.00417.10
8.0.00.0150.00616.66
7.4.330.0000.00515.55
7.4.320.0030.00316.56
7.4.300.0090.00016.50
7.4.290.0000.00716.54
7.4.280.0070.00016.54
7.4.270.0030.00316.49
7.4.260.0000.00513.25
7.4.250.0000.00716.47
7.4.240.0030.00316.55
7.4.230.0000.00716.67
7.4.220.0030.00316.65
7.4.210.0060.01016.57
7.4.200.0050.00216.65
7.4.130.0080.01416.55
7.4.120.0140.00316.53
7.4.110.0080.00916.25
7.4.100.0100.00816.43
7.4.90.0100.01016.46
7.4.80.0110.01216.34
7.4.70.0100.01116.37
7.4.60.0110.00916.44
7.4.50.0080.01216.44
7.4.40.0070.01116.38
7.4.30.0060.01116.42
7.4.20.0070.01016.44
7.4.10.0100.00916.35
7.4.00.0080.01216.31
7.3.330.0040.00416.23
7.3.320.0030.00313.10
7.3.310.0000.00816.22
7.3.300.0040.00416.16
7.3.290.0070.00916.22
7.3.260.0210.00416.52
7.3.230.0090.00916.25
7.3.220.0090.00916.30
7.3.210.0110.01016.43
7.3.200.0120.00816.43
7.3.190.0060.01416.33
7.3.180.0100.01016.48
7.3.170.0100.00816.38
7.3.160.0060.01516.38
7.3.150.0090.00916.33
7.3.140.0100.00916.34
7.3.130.0120.00516.44
7.3.120.0110.00816.43
7.3.110.0140.00516.53
7.3.100.0140.00616.52
7.3.90.0150.00516.27
7.3.80.0120.00516.33
7.3.70.0110.00716.36
7.3.60.0080.00816.27
7.3.50.0070.01216.40
7.3.40.0110.00916.32
7.3.30.0100.00716.39
7.3.20.0080.01016.36
7.3.10.0090.01016.35
7.3.00.0120.00916.50
7.2.340.0160.00616.48
7.2.330.0120.00916.54
7.2.320.0130.00816.54
7.2.310.0110.00816.44
7.2.300.0130.00716.61
7.2.290.0120.00716.46
7.2.280.0080.01116.46
7.2.270.0070.01116.39
7.2.260.0100.00816.47
7.2.250.0130.00616.58
7.2.240.0100.00716.48
7.2.230.0080.01216.59
7.2.220.0130.00516.61
7.2.210.0070.01116.54
7.2.200.0070.01416.56
7.2.190.0110.00916.43
7.2.180.0080.01216.51
7.2.170.0120.00916.49
7.2.160.0120.00716.51
7.2.150.0080.01016.62
7.2.140.0060.01616.59
7.2.130.0120.00716.42
7.2.120.0100.00816.65
7.2.110.0100.00816.48
7.2.100.0180.00816.51
7.2.90.0130.00816.43
7.2.80.0090.01216.49
7.2.70.0160.00516.57
7.2.60.0130.00816.65
7.2.50.0100.01216.57
7.2.40.0100.01116.52
7.2.30.0140.00716.60
7.2.20.0070.01616.42
7.2.10.0170.00716.61
7.2.00.0130.00616.61

preferences:
60.53 ms | 400 KiB | 5 Q