3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Record implements Serializable { public $data = array(); public function __construct() { $object = new StdClass(); $object->property = 'whoa'; $this->data = array( 'array' => array(1,2,3,5), 'object' => $object, 'string' => '12345', 'integer' => 123455 ); } public function serialize() { print 'hello'; return serialize($this->data); } public function unserialize($serialized) { } } $object = new Record(); var_dump(serialize($object));

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)
8.3.60.0080.00818.68
8.3.50.0070.01222.11
8.3.40.0110.00418.82
8.3.30.0110.00419.04
8.3.20.0040.00420.21
8.3.10.0050.00322.05
8.3.00.0040.00422.36
8.2.180.0090.00616.50
8.2.170.0110.00822.96
8.2.160.0110.00319.25
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0000.00922.19
8.2.100.0090.00319.64
8.2.90.0040.00419.36
8.2.80.0050.00318.05
8.2.70.0050.00317.38
8.2.60.0000.00918.04
8.2.50.0000.00818.07
8.2.40.0030.00518.09
8.2.30.0000.00819.97
8.2.20.0040.00417.72
8.2.10.0040.00417.64
8.2.00.0030.00617.67
8.1.280.0100.01025.92
8.1.270.0050.00322.18
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00323.85
8.1.230.0040.00719.08
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0060.00317.24
8.1.190.0030.00517.30
8.1.180.0070.00018.81
8.1.170.0050.00518.53
8.1.160.0000.00722.12
8.1.150.0030.00518.55
8.1.140.0050.00317.32
8.1.130.0030.00317.87
8.1.120.0070.00017.35
8.1.110.0060.00317.45
8.1.100.0070.00017.34
8.1.90.0070.00017.47
8.1.80.0050.00317.36
8.1.70.0070.00017.44
8.1.60.0060.00317.59
8.1.50.0050.00517.57
8.1.40.0000.00817.52
8.1.30.0000.00717.50
8.1.20.0040.00417.66
8.1.10.0070.00017.55
8.1.00.0000.00717.52
8.0.300.0000.00718.77
8.0.290.0040.00417.01
8.0.280.0000.00718.39
8.0.270.0000.00717.26
8.0.260.0030.00316.74
8.0.250.0000.00716.96
8.0.240.0000.00716.88
8.0.230.0000.00717.01
8.0.220.0070.00016.82
8.0.210.0040.00416.88
8.0.200.0030.00517.01
8.0.190.0040.00416.85
8.0.180.0040.00416.90
8.0.170.0040.00416.87
8.0.160.0050.00216.88
8.0.150.0070.00016.80
8.0.140.0000.00716.86
8.0.130.0000.00613.30
8.0.120.0000.00816.86
8.0.110.0000.00716.83
8.0.100.0000.00716.77
8.0.90.0040.00416.70
8.0.80.0120.00316.93
8.0.70.0030.00516.88
8.0.60.0040.00416.84
8.0.50.0070.00016.68
8.0.30.0110.00817.16
8.0.20.0070.01217.40
8.0.10.0000.00717.05
8.0.00.0110.00816.71
7.4.330.0030.00315.09
7.4.320.0030.00316.64
7.4.300.0050.00216.57
7.4.290.0000.00816.52
7.4.280.0030.00316.48
7.4.270.0000.00716.58
7.4.260.0000.00816.54
7.4.250.0000.00716.46
7.4.240.0040.00416.53
7.4.230.0000.00716.60
7.4.220.0090.00916.52
7.4.210.0100.00916.56
7.4.200.0040.00416.68
7.4.190.0000.00716.38
7.4.160.0040.01216.44
7.4.150.0190.00317.40
7.4.140.0070.01017.86
7.4.130.0070.01316.58
7.4.120.0060.01616.49
7.4.110.0070.01016.54
7.4.100.0070.01016.52
7.4.90.0040.01316.49
7.4.80.0120.00619.39
7.4.70.0100.00716.56
7.4.60.0140.00716.52
7.4.50.0090.00416.28
7.4.40.0110.00722.77
7.4.30.0060.01216.49
7.4.00.0030.01414.80
7.3.330.0030.00313.43
7.3.320.0000.00513.37
7.3.310.0040.00416.38
7.3.300.0030.00316.41
7.3.290.0060.00916.47
7.3.280.0090.00816.35
7.3.270.0100.00617.40
7.3.260.0100.01016.35
7.3.250.0110.00616.33
7.3.240.0190.00016.63
7.3.230.0120.00916.59
7.3.210.0060.01116.41
7.3.200.0070.01019.39
7.3.190.0130.00316.31
7.3.180.0130.00616.57
7.3.170.0140.00916.61
7.3.160.0070.01016.33
7.3.120.0030.01115.14
7.2.330.0070.01016.73
7.2.320.0080.00916.92
7.2.310.0060.01516.65
7.2.300.0030.01316.48
7.2.290.0100.00616.52
7.1.200.0060.00615.68
7.1.70.0000.01017.22
7.1.60.0030.00717.33
7.1.50.0060.01616.71
7.1.00.0000.08022.28
7.0.200.0000.00816.73
7.0.140.0030.07022.18
7.0.60.0030.07719.91
7.0.50.0030.04017.89
7.0.40.0070.06320.18
7.0.30.0230.03720.26
7.0.20.0330.08020.26
7.0.10.0200.05720.28
7.0.00.0070.04720.25
5.6.280.0100.06721.03
5.6.210.0070.03720.67
5.6.200.0170.07718.19
5.6.190.0130.05320.63
5.6.180.3370.03320.68
5.6.170.0200.04320.50
5.6.160.0100.05020.50
5.6.150.0100.07718.22
5.6.140.0030.04718.15
5.6.130.0030.09018.11
5.6.120.0100.04321.02
5.6.110.0070.09020.96
5.6.100.0100.03320.96
5.6.90.0000.09020.88
5.6.80.0070.08320.49
5.5.350.0130.07320.39
5.5.340.0070.08017.97
5.5.330.0030.05320.47
5.5.320.0270.08020.30
5.5.310.0270.07320.35
5.5.300.0030.04718.01
5.5.290.0070.08717.98
5.5.280.0100.08020.88
5.5.270.0200.07320.73
5.5.260.0100.08020.65
5.5.250.0100.06320.69
5.5.240.0030.08020.08
5.4.450.4400.04319.27
5.4.440.0200.06719.42
5.4.430.2000.04319.52
5.4.420.4370.04319.25
5.4.410.3830.04319.39
5.4.400.4370.03019.13
5.4.390.0100.05319.15
5.4.380.4770.04019.05
5.4.370.4130.03318.95
5.4.360.4000.04019.13
5.4.350.4100.03719.12
5.4.340.4900.03318.94
5.4.320.4170.04019.19
5.4.310.3600.03719.05
5.4.300.3870.04319.11
5.4.290.3900.04019.20
5.4.280.3570.03719.19
5.4.270.4030.03318.93
5.4.260.4100.03719.23
5.4.250.4130.04018.98
5.4.240.4070.04319.18
5.4.230.3830.03319.19
5.4.220.4130.03719.18
5.4.210.4170.03719.14
5.4.200.4170.03719.09
5.4.190.3930.03319.18
5.4.180.4100.03719.06
5.4.170.5370.02718.93
5.4.160.2270.03719.07
5.4.150.2130.03719.08
5.4.140.2630.02716.50
5.4.130.3230.03316.24
5.4.120.2930.04016.48
5.4.110.3570.03016.51
5.4.100.2470.03016.53
5.4.90.1930.03716.35
5.4.80.2770.02716.23
5.4.70.4070.03716.50
5.4.60.3930.04016.50
5.4.50.3330.02716.34
5.4.40.3870.03716.48
5.4.30.3730.04016.20
5.4.20.3870.03716.32
5.4.10.3900.03316.53
5.4.00.4200.04015.83
5.3.290.3900.03714.73
5.3.280.3970.03714.49
5.3.270.3600.04014.69
5.3.260.4030.04014.64
5.3.250.2030.03714.53
5.3.240.2970.03314.67
5.3.230.3700.03714.61
5.3.220.3470.03314.63
5.3.210.3330.03714.57
5.3.200.3330.03714.59
5.3.190.3200.03714.58
5.3.180.3130.04014.49
5.3.170.3130.05014.64
5.3.160.4070.03714.64
5.3.150.3800.04314.57
5.3.140.3800.03714.62
5.3.130.3630.03714.57
5.3.120.4200.03314.58
5.3.110.3730.03314.70
5.3.100.3870.04314.04
5.3.90.3770.04314.04
5.3.80.4370.04313.97
5.3.70.4200.03314.05
5.3.60.4000.03714.16
5.3.50.3900.03713.98
5.3.40.3970.03714.01
5.3.30.3230.03013.96
5.3.20.3870.03713.71
5.3.10.3830.03013.58
5.3.00.3870.04013.57
5.2.170.3670.04011.12
5.2.160.3470.03311.15
5.2.150.3170.03311.24
5.2.140.3570.02711.21
5.2.130.3470.03011.17
5.2.120.3600.02311.16
5.2.110.3470.03011.12
5.2.100.3570.02711.18
5.2.90.3000.03311.13
5.2.80.3200.03311.12
5.2.70.3830.02711.16
5.2.60.3500.03311.05
5.2.50.3100.02710.98
5.2.40.2800.03010.89
5.2.30.2600.03011.04
5.2.20.2830.02710.97
5.2.10.3130.02711.00
5.2.00.3430.02710.80
5.1.60.4300.0209.97
5.1.50.2600.02310.07
5.1.40.2530.0209.90
5.1.30.2470.01710.42
5.1.20.3270.02710.36
5.1.10.0030.05310.04
5.1.00.0130.04310.05
5.0.50.0070.0378.55
5.0.40.0070.0338.46
5.0.30.0070.0478.25
5.0.20.1670.0208.18
5.0.10.1270.0178.09
5.0.00.1570.0308.13
4.4.90.1600.0135.84
4.4.80.1630.0135.77
4.4.70.1570.0175.83
4.4.60.1570.0135.88
4.4.50.1370.0135.81
4.4.40.1570.0205.84
4.4.30.1400.0175.92
4.4.20.1070.0205.98
4.4.10.0000.0275.88
4.4.00.0000.0505.88
4.3.110.0070.0235.83
4.3.100.1630.0135.73
4.3.90.1870.0175.73
4.3.80.1670.0275.67
4.3.70.1230.0175.70
4.3.60.1400.0135.69
4.3.50.1330.0135.80
4.3.40.1270.0235.74
4.3.30.0930.0174.88
4.3.20.0870.0134.88
4.3.10.0600.0174.88
4.3.00.0730.0204.88

preferences:
59.42 ms | 401 KiB | 5 Q