3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['a'=>'b','c'=>'d','e'=>'f']; $a = serialize($arr); echo $a.'<br>'; echo unserialize($a).'<br>'; echo json_encode($arr).'<br>'; echo msgpack_pack($arr) ?>

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)
8.3.60.0150.00618.43
8.3.50.0170.00721.20
8.3.40.0070.00718.74
8.3.30.0070.01118.56
8.3.20.0080.00020.36
8.3.10.0050.00321.89
8.3.00.0050.00320.16
8.2.180.0110.01116.88
8.2.170.0060.01322.96
8.2.160.0100.01020.30
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00717.63
8.2.110.0100.00019.48
8.2.100.0060.00617.63
8.2.90.0000.00919.40
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0000.00819.45
8.2.30.0100.00022.34
8.2.20.0040.00417.77
8.2.10.0000.00718.19
8.2.00.0030.00518.13
8.1.280.0040.01625.92
8.1.270.0070.01123.82
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0070.00322.65
8.1.230.0060.00617.48
8.1.220.0080.00017.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0070.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00618.55
8.1.160.0000.00721.97
8.1.150.0040.00418.95
8.1.140.0060.00317.45
8.1.130.0070.00017.32
8.1.120.0040.00417.39
8.1.110.0000.00717.42
8.1.100.0060.00317.45
8.1.90.0000.00717.31
8.1.80.0070.00017.37
8.1.70.0030.00317.46
8.1.60.0080.00017.48
8.1.50.0030.00617.48
8.1.40.0000.00817.41
8.1.30.0040.00417.65
8.1.20.0000.00717.55
8.1.10.0040.00417.55
8.1.00.0040.00417.47
8.0.300.0020.00518.77
8.0.290.0030.00316.88
8.0.280.0030.00318.32
8.0.270.0030.00317.26
8.0.260.0000.00716.91
8.0.250.0040.00417.05
8.0.240.0070.00017.03
8.0.230.0030.00317.03
8.0.220.0000.00716.92
8.0.210.0000.00716.96
8.0.200.0030.00317.07
8.0.190.0000.00716.96
8.0.180.0040.00416.97
8.0.170.0040.00416.86
8.0.160.0070.00016.95
8.0.150.0000.00716.89
8.0.140.0040.00416.82
8.0.130.0050.00213.38
8.0.120.0030.00616.91
8.0.110.0040.00416.78
8.0.100.0040.00416.78
8.0.90.0030.00316.85
8.0.80.0030.01217.01
8.0.70.0000.00816.99
8.0.60.0040.00417.04
8.0.50.0050.00216.99
8.0.30.0110.00817.07
8.0.20.0130.00717.40
8.0.10.0000.00716.83
8.0.00.0080.01116.67
7.4.330.0000.00515.08
7.4.320.0030.00316.45
7.4.300.0040.00416.50
7.4.290.0050.00316.59
7.4.280.0080.00016.48
7.4.270.0070.00016.53
7.4.260.0020.00516.63
7.4.250.0040.00416.33
7.4.240.0020.00516.54
7.4.230.0070.00016.46
7.4.220.0130.00616.54
7.4.210.0080.00616.50
7.4.200.0070.00016.62
7.4.160.0030.01316.44
7.4.150.0130.00617.40
7.4.140.0110.00817.86
7.4.130.0130.00616.60
7.4.120.0090.00816.53
7.4.110.0120.01216.32
7.4.100.0060.01216.52
7.4.90.0100.00716.52
7.4.80.0090.00919.39
7.4.70.0120.00416.36
7.4.60.0060.00916.46
7.4.50.0000.00816.34
7.4.40.0080.00816.44
7.4.30.0110.01316.53
7.4.00.0030.01014.86
7.3.330.0000.00613.27
7.3.320.0030.00313.18
7.3.310.0070.00016.40
7.3.300.0000.00716.39
7.3.290.0090.00516.29
7.3.280.0090.01016.39
7.3.270.0090.01217.40
7.3.260.0110.00616.50
7.3.250.0100.00716.37
7.3.240.0170.00616.48
7.3.230.0100.00716.39
7.3.210.0090.01316.52
7.3.200.0200.00416.39
7.3.190.0060.01116.37
7.3.180.0050.01016.33
7.3.170.0030.01316.38
7.3.160.0110.01116.42
7.2.330.0070.01016.46
7.2.320.0100.01316.75
7.2.310.0050.01316.66
7.2.300.0150.00616.79
7.2.290.0060.01616.44
7.2.110.0140.01416.09
7.2.60.0060.01016.82
7.2.00.0070.00719.29
7.1.200.0100.00315.52
7.1.100.0000.01118.06
7.1.70.0000.00817.28
7.1.60.0060.01819.11
7.1.50.0100.00717.06
7.1.00.0130.06722.30
7.0.200.0040.00716.89
7.0.80.0070.07721.80
7.0.70.0030.07721.73
7.0.60.0100.06721.68
7.0.50.0030.08722.08
7.0.40.0030.08720.04
7.0.30.0070.06020.05
7.0.20.0030.08020.04
7.0.10.0030.09020.16
7.0.00.0000.04319.99
5.6.280.0030.03020.81
5.6.230.0100.07320.71
5.6.220.0030.07720.48
5.6.210.0130.07720.46
5.6.200.0070.05721.17
5.6.190.0100.07021.04
5.6.180.0130.07021.01
5.6.170.0030.08321.05
5.6.160.0100.07021.10
5.6.150.0030.06721.13
5.6.140.0100.06021.05
5.6.130.0030.06321.10
5.6.120.0070.04021.08
5.6.110.0100.08021.04
5.6.100.0030.08021.15
5.6.90.0100.07721.11
5.6.80.0100.06320.44
5.6.70.0070.06320.33
5.6.60.0070.07320.47
5.6.50.0170.06020.41
5.6.40.0130.07020.38
5.6.30.0100.07320.36
5.6.20.0070.07020.36
5.6.10.0000.07720.43
5.6.00.0030.07720.34
5.5.370.0070.05320.34
5.5.360.0100.07320.38
5.5.350.0030.08320.45
5.5.340.0070.08020.90
5.5.330.0030.08020.88
5.5.320.0030.08320.91
5.5.310.0070.07020.86
5.5.300.0030.07020.72
5.5.290.0030.07320.82
5.5.280.0000.05020.90
5.5.270.0100.08320.63
5.5.260.0070.07320.86
5.5.250.0000.08320.66
5.5.240.0070.08020.25
5.5.230.0070.08020.25
5.5.220.0030.07720.23
5.5.210.0030.08020.23
5.5.200.0070.07320.10
5.5.190.0000.08020.22
5.5.180.0130.07320.23
5.5.160.0070.06320.20
5.5.150.0000.08320.11
5.5.140.0000.08020.13
5.5.130.0070.07020.16
5.5.120.0030.08320.16
5.5.110.0030.08020.26
5.5.100.0000.08320.17
5.5.90.0070.07020.14
5.5.80.0070.07019.97
5.5.70.0000.05719.94
5.5.60.0070.05020.08
5.5.50.0070.07320.05
5.5.40.0030.05320.00
5.5.30.0070.04719.98
5.5.20.0030.06320.13
5.5.10.0000.07720.07
5.5.00.0100.06320.02
5.4.450.0030.04719.29
5.4.440.0070.07319.27
5.4.430.0070.06319.27
5.4.420.0100.05719.35
5.4.410.0070.06719.17
5.4.400.0100.07319.15
5.4.390.0170.06019.05
5.4.380.0000.08019.03
5.4.370.0030.06718.98
5.4.360.0000.08719.05
5.4.350.0100.07318.98
5.4.340.0000.06719.03
5.4.320.0070.07318.96
5.4.310.0070.07718.96
5.4.300.0100.06318.98
5.4.290.0000.06318.94
5.4.280.0030.08718.81
5.4.270.0000.07019.04
5.4.260.0100.05019.12
5.4.250.0000.07719.04
5.4.240.0070.07319.04
5.4.230.0070.07319.11
5.4.220.0000.05019.12
5.4.210.0100.06719.22
5.4.200.0070.07318.77
5.4.190.0000.07719.09
5.4.180.0030.07719.20
5.4.170.0070.07319.16
5.4.160.0030.07318.79
5.4.150.0000.05319.01
5.4.140.0030.07316.07
5.4.130.0030.06316.32
5.4.120.0030.03716.21
5.4.110.0000.04016.26
5.4.100.0100.03316.23
5.4.90.0000.04016.23
5.4.80.0070.06716.36
5.4.70.0070.03016.19
5.4.60.0000.03716.21
5.4.50.0000.04016.30
5.4.40.0000.04016.36
5.4.30.0100.02716.41
5.4.20.0030.03716.32
5.4.10.0030.04016.27
5.4.00.0070.03015.68

preferences:
48.3 ms | 401 KiB | 5 Q