3v4l.org

run code in 300+ PHP versions simultaneously
<?php class C { public $a = true; public function __sleep() { return array('a', '1'); } } $a = new C; $s = serialize($a); var_dump($s); var_dump(unserialize($s));

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)
8.3.60.0090.00618.43
8.3.50.0220.00922.07
8.3.40.0150.00018.64
8.3.30.0070.00718.88
8.3.20.0000.00720.34
8.3.10.0030.00523.69
8.3.00.0120.00319.20
8.2.180.0090.01216.63
8.2.170.0100.00722.96
8.2.160.0030.01022.96
8.2.150.0050.00225.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00317.80
8.2.110.0060.00320.61
8.2.100.0000.01417.91
8.2.90.0050.00317.79
8.2.80.0080.00017.97
8.2.70.0000.00817.80
8.2.60.0040.00418.09
8.2.50.0030.00618.10
8.2.40.0000.00719.34
8.2.30.0000.00719.18
8.2.20.0040.00417.58
8.2.10.0060.00317.88
8.2.00.0040.00417.63
8.1.280.0140.00725.92
8.1.270.0040.00423.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00617.23
8.1.230.0070.00321.03
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0100.00017.36
8.1.190.0040.00417.34
8.1.180.0080.00018.10
8.1.170.0060.00318.57
8.1.160.0040.00418.82
8.1.150.0040.00418.74
8.1.140.0000.00717.26
8.1.130.0080.00317.83
8.1.120.0070.00017.43
8.1.110.0070.00017.43
8.1.100.0030.00417.39
8.1.90.0040.00317.32
8.1.80.0000.00817.29
8.1.70.0000.00717.40
8.1.60.0080.00017.61
8.1.50.0040.00417.55
8.1.40.0080.00017.54
8.1.30.0030.00517.63
8.1.20.0030.00517.58
8.1.10.0040.00417.42
8.1.00.0040.00417.44
8.0.300.0040.00419.94
8.0.290.0040.00416.63
8.0.280.0070.00018.39
8.0.270.0030.00317.25
8.0.260.0030.00317.24
8.0.250.0000.00716.93
8.0.240.0000.00617.00
8.0.230.0050.00217.02
8.0.220.0040.00416.91
8.0.210.0030.00316.78
8.0.200.0080.00016.98
8.0.190.0040.00416.96
8.0.180.0000.00716.93
8.0.170.0040.00416.96
8.0.160.0030.00616.80
8.0.150.0050.00216.93
8.0.140.0030.00516.81
8.0.130.0030.00613.36
8.0.120.0030.00516.79
8.0.110.0040.00416.83
8.0.100.0040.00416.85
8.0.90.0050.00316.80
8.0.80.0030.01716.87
8.0.70.0000.00716.89
8.0.60.0000.00716.92
8.0.50.0000.00716.95
8.0.30.0050.01516.95
8.0.20.0100.01017.40
8.0.10.0070.00017.05
8.0.00.0060.01216.71
7.4.330.0000.00615.03
7.4.320.0070.00016.52
7.4.300.0000.00616.64
7.4.290.0070.00016.55
7.4.280.0000.00916.49
7.4.270.0070.00016.61
7.4.260.0030.00316.59
7.4.250.0050.00316.43
7.4.240.0030.00316.55
7.4.230.0060.00016.41
7.4.220.0070.01316.61
7.4.210.0080.00616.56
7.4.200.0000.00716.56
7.4.160.0120.00416.30
7.4.150.0120.00817.40
7.4.140.0070.01217.86
7.4.130.0030.01716.54
7.4.120.0150.00516.50
7.4.110.0130.01016.51
7.4.100.0180.00716.28
7.4.90.0070.01016.46
7.4.80.0070.01019.39
7.4.70.0160.00016.53
7.4.60.0130.00316.30
7.4.50.0000.00816.52
7.4.40.0040.01416.63
7.4.30.0090.00816.36
7.4.00.0030.01314.76
7.3.330.0000.00613.16
7.3.320.0000.00513.23
7.3.310.0000.00716.31
7.3.300.0030.00316.25
7.3.290.0040.00916.33
7.3.280.0110.00816.31
7.3.270.0090.00917.40
7.3.260.0090.00916.32
7.3.250.0100.00716.26
7.3.240.0040.01416.56
7.3.230.0090.01516.39
7.3.210.0120.00616.25
7.3.200.0090.00619.39
7.3.190.0140.00316.20
7.3.180.0090.00616.53
7.3.170.0200.00016.48
7.3.160.0120.00316.23
7.3.10.0160.00316.36
7.3.00.0060.00916.27
7.2.330.0060.01616.54
7.2.320.0110.00616.33
7.2.310.0150.00316.52
7.2.300.0140.01216.63
7.2.290.0090.01316.66
7.2.130.0130.00716.28
7.2.120.0100.00616.43
7.2.110.0120.00616.29
7.2.100.0070.00716.23
7.2.90.0040.01515.92
7.2.80.0060.00616.26
7.2.70.0140.01016.34
7.2.60.0050.00816.50
7.2.50.0070.00716.43
7.2.40.0160.01216.73
7.2.30.0080.00616.27
7.2.20.0190.01216.52
7.2.10.0140.01016.24
7.2.00.0120.00518.07
7.1.250.0130.00315.41
7.1.200.0120.00015.87
7.1.100.0070.00417.71
7.1.70.0000.01117.17
7.1.60.0030.02119.57
7.1.50.0160.02234.79
7.1.00.0130.06322.33
7.0.200.0000.00916.48
7.0.140.0100.02722.12
7.0.100.0100.07019.96
7.0.90.0000.05319.88
7.0.80.0130.05319.91
7.0.70.0070.08020.12
7.0.60.0100.05019.88
7.0.50.0000.05720.35
7.0.40.0070.08020.07
7.0.30.0070.06020.14
7.0.20.0030.08720.04
7.0.10.0000.09020.16
7.0.00.0130.07320.10
5.6.280.0030.07320.89
5.6.250.0000.09720.78
5.6.240.0100.07720.60
5.6.230.0000.08320.60
5.6.220.0000.05020.65
5.6.210.0100.07720.61
5.6.200.0030.05321.01
5.6.190.0100.08321.11
5.6.180.0030.08020.94
5.6.170.0070.06021.11
5.6.160.0100.04721.04
5.6.150.0070.07321.17
5.6.140.0170.07021.02
5.6.130.0100.05720.96
5.6.120.0200.06721.06
5.6.110.0100.08021.02
5.6.100.0030.08721.04
5.6.90.0000.04720.93
5.6.80.0100.08020.39
5.6.70.0030.04720.46
5.6.60.0070.04320.45
5.6.50.0030.04320.49
5.6.40.0070.03720.53
5.6.30.0030.04020.48
5.6.20.0100.06720.40
5.6.10.0070.04020.31
5.6.00.0070.03320.42
5.5.380.0070.07720.35
5.5.370.0100.03720.45
5.5.360.0030.06720.34
5.5.350.0070.08020.45
5.5.340.0070.07320.77
5.5.330.0000.05720.85
5.5.320.0100.04720.64
5.5.310.0030.08720.92
5.5.300.0070.08020.90
5.5.290.0100.04020.77
5.5.280.0170.07320.77
5.5.270.0100.04720.91
5.5.260.0030.05020.78
5.5.250.0130.06320.73
5.5.240.0100.05320.24
5.5.230.0070.04020.14
5.5.220.0070.03720.14
5.5.210.0100.03720.24
5.5.200.0100.03320.18
5.5.190.0000.04720.24
5.5.180.0100.03720.13
5.5.160.0030.04320.27
5.5.150.0030.04020.14
5.5.140.0030.04320.27
5.5.130.0030.04020.14
5.5.120.0030.04320.08
5.5.110.0070.04319.98
5.5.100.0070.03720.17
5.5.90.0130.03019.95
5.5.80.0070.04320.07
5.5.70.0070.04020.00
5.5.60.0030.04320.03
5.5.50.0000.04020.10
5.5.40.0070.03720.08
5.5.30.0070.03719.93
5.5.20.0070.04020.09
5.5.10.0100.03320.04
5.5.00.0100.03320.03
5.4.450.0130.05719.46
5.4.440.0030.08319.50
5.4.430.0100.04319.25
5.4.420.0030.08019.27
5.4.410.0070.08019.22
5.4.400.0100.07319.04
5.4.390.0070.03719.04
5.4.380.0070.05318.95
5.4.370.0030.04019.02
5.4.360.0030.04019.00
5.4.350.0000.04719.16
5.4.340.0070.04019.13
5.4.320.0030.04019.14
5.4.310.0130.03019.04
5.4.300.0070.03319.23
5.4.290.0030.03319.07
5.4.280.0130.04018.84
5.4.270.0000.04318.85
5.4.260.0100.04019.09
5.4.250.0100.03319.06
5.4.240.0030.04018.89
5.4.230.0000.04318.91
5.4.220.0070.03318.84
5.4.210.0070.03319.16
5.4.200.0030.04718.86
5.4.190.0030.03719.14
5.4.180.0030.03318.89
5.4.170.0000.04319.22
5.4.160.0000.03719.00
5.4.150.0130.02719.00
5.4.140.0030.03716.41
5.4.130.0000.03316.49
5.4.120.0030.04316.45
5.4.110.0000.04016.34
5.4.100.0030.03716.32
5.4.90.0000.03716.39
5.4.80.0100.03316.38
5.4.70.0030.07016.48
5.4.60.0070.07016.25
5.4.50.0100.07316.33
5.4.40.0170.06716.50
5.4.30.0030.07316.48
5.4.20.0030.06316.43
5.4.10.0130.05016.41
5.4.00.0100.07015.90
5.3.290.0030.03714.60
5.3.280.0030.04314.53
5.3.270.0000.04314.73
5.3.260.0000.04714.64
5.3.250.0070.03314.67
5.3.240.0030.03714.53
5.3.230.0030.03714.58
5.3.220.0030.06314.57
5.3.210.0000.04014.54
5.3.200.0030.03714.67
5.3.190.0030.03714.59
5.3.180.0070.03714.49
5.3.170.0000.04014.50
5.3.160.0100.07314.52
5.3.150.0170.05314.63
5.3.140.0000.06714.61
5.3.130.0030.04314.67
5.3.120.0130.07014.55
5.3.110.0000.08014.61
5.3.100.0070.07013.99
5.3.90.0130.07713.99
5.3.80.0100.07314.02
5.3.70.0130.07014.08
5.3.60.0070.07713.93
5.3.50.0070.07013.84
5.3.40.0030.07014.05
5.3.30.0070.07013.84
5.3.20.0030.04013.71
5.3.10.0070.04013.59
5.3.00.0130.06013.55
5.2.170.0070.04311.16
5.2.160.0030.06711.16
5.2.150.0070.06311.21
5.2.140.0030.03311.06
5.2.130.0070.03311.02
5.2.120.0000.03311.13
5.2.110.0030.05311.21
5.2.100.0030.05311.02
5.2.90.0030.06011.25
5.2.80.0000.04010.96
5.2.70.0070.06311.21
5.2.60.0000.07011.12
5.2.50.0100.03011.04
5.2.40.0100.05710.91
5.2.30.0070.05011.04
5.2.20.0130.05710.96
5.2.10.0030.03010.86
5.2.00.0070.03010.62
5.1.60.0030.02710.09
5.1.50.0000.04310.11
5.1.40.0070.05010.03
5.1.30.0000.06010.43
5.1.20.0030.05310.48
5.1.10.0000.02710.19
5.1.00.0000.0479.96
5.0.50.0000.0438.30
5.0.40.0000.0438.50
5.0.30.0070.0538.29
5.0.20.0000.0478.32
5.0.10.0030.0238.29
5.0.00.0030.0378.29
4.4.90.0000.0238.29
4.4.80.0000.0208.29
4.4.70.0000.0278.29
4.4.60.0030.0278.29
4.4.50.0030.0138.29
4.4.40.0030.0478.29
4.4.30.0000.0208.29
4.4.20.0000.0278.29
4.4.10.0030.0278.29
4.4.00.0000.0438.29
4.3.110.0000.0238.29
4.3.100.0000.0278.29
4.3.90.0000.0238.29
4.3.80.0030.0578.29
4.3.70.0030.0178.29
4.3.60.0130.0278.29
4.3.50.0030.0338.29
4.3.40.0000.0508.29
4.3.30.0030.0338.29
4.3.20.0000.0378.29
4.3.10.0000.0238.29
4.3.00.0000.0208.29

preferences:
62.32 ms | 401 KiB | 5 Q