3v4l.org

run code in 300+ PHP versions simultaneously
<?php class c1 { public $a = 1; public $b = 2; } class c2 implements Serializable { public $a = 1; public $b = 2; public function serialize() { return 's:1:"a";i:1;s:1:"b";i:2;'; } public function unserialize($str) { $this->a = 3; } public function __wakeup() { echo $this->a; } } $o1 = new c1; $o2 = new c2; echo $o_str = serialize($o1) . "\n"; echo $c_str = serialize($o2) . "\n"; $o_str = str_replace($o_str, "c1", "c2"); //$o1 = unserialize($o_str); $o2 = unserialize($c_str);

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)
8.3.60.0120.00317.00
8.3.50.0190.00317.39
8.3.40.0070.00718.82
8.3.30.0140.00018.60
8.3.20.0000.00818.77
8.3.10.0030.00620.49
8.3.00.0080.00019.34
8.2.180.0070.01116.75
8.2.170.0040.01122.96
8.2.160.0110.00322.18
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00019.86
8.2.110.0030.00622.25
8.2.100.0070.00417.90
8.2.90.0050.00517.84
8.2.80.0040.00417.97
8.2.70.0030.00717.75
8.2.60.0050.00318.04
8.2.50.0030.00518.07
8.2.40.0040.00418.09
8.2.30.0050.00217.99
8.2.20.0070.00017.76
8.2.10.0000.00717.65
8.2.00.0040.00417.59
8.1.280.0070.01025.92
8.1.270.0040.00424.66
8.1.260.0110.00426.35
8.1.250.0000.00728.09
8.1.240.0140.00722.19
8.1.230.0040.00822.70
8.1.220.0040.00417.78
8.1.210.0080.00019.09
8.1.200.0030.00617.11
8.1.190.0090.00017.63
8.1.180.0040.00418.10
8.1.170.0000.00918.77
8.1.160.0000.00718.73
8.1.150.0040.00418.55
8.1.140.0070.00017.46
8.1.130.0070.00017.69
8.1.120.0000.00817.47
8.1.110.0000.00817.51
8.1.100.0040.00417.41
8.1.90.0030.00317.34
8.1.80.0000.00717.42
8.1.70.0000.00717.45
8.1.60.0030.00617.53
8.1.50.0070.00017.42
8.1.40.0040.00417.46
8.1.30.0070.00017.54
8.1.20.0030.00617.59
8.1.10.0030.00617.61
8.1.00.0070.00017.48
8.0.300.0000.00719.98
8.0.290.0000.00716.75
8.0.280.0070.00018.44
8.0.270.0070.00017.25
8.0.260.0000.00716.93
8.0.250.0040.00416.98
8.0.240.0000.00717.06
8.0.230.0070.00017.05
8.0.220.0070.00016.82
8.0.210.0000.00716.86
8.0.200.0030.00317.08
8.0.190.0040.00417.05
8.0.180.0050.00216.89
8.0.170.0040.00416.98
8.0.160.0000.00717.02
8.0.150.0060.00316.91
8.0.140.0040.00416.94
8.0.130.0030.00313.40
8.0.120.0080.00016.96
8.0.110.0040.00416.82
8.0.100.0040.00416.78
8.0.90.0000.00716.90
8.0.80.0090.01216.95
8.0.70.0070.00016.81
8.0.60.0050.00316.89
8.0.50.0000.00716.85
8.0.30.0110.00817.25
8.0.20.0120.01617.02
8.0.10.0040.00417.02
8.0.00.0110.00716.71
7.4.330.0000.00513.00
7.4.320.0030.00316.45
7.4.300.0000.00616.58
7.4.290.0070.00016.46
7.4.280.0000.00816.59
7.4.270.0030.00316.50
7.4.260.0050.00313.16
7.4.250.0040.00416.55
7.4.240.0070.00016.48
7.4.230.0030.00316.34
7.4.220.0160.01016.55
7.4.210.0060.00916.56
7.4.200.0030.00316.62
7.4.190.0030.00316.76
7.4.160.0040.01116.51
7.4.150.0090.00916.59
7.4.140.0100.01116.57
7.4.130.0150.00616.61
7.4.120.0140.00316.43
7.4.110.0140.00916.61
7.4.100.0160.00316.45
7.4.90.0130.00716.57
7.4.80.0060.01016.55
7.4.70.0060.01516.55
7.4.60.0030.01416.44
7.4.50.0030.00316.45
7.4.40.0070.00716.52
7.4.30.0040.01216.50
7.4.00.0090.00715.07
7.3.330.0030.00313.16
7.3.320.0000.00513.19
7.3.310.0000.00716.22
7.3.300.0070.00016.34
7.3.290.0110.00316.29
7.3.280.0100.00516.29
7.3.270.0160.00916.35
7.3.260.0140.00316.53
7.3.250.0050.01316.55
7.3.240.0040.01416.51
7.3.230.0100.00716.61
7.3.210.0060.01216.63
7.3.200.0180.00719.39
7.3.190.0140.00716.57
7.3.180.0140.01116.38
7.3.170.0090.00616.47
7.3.160.0060.01016.33
7.3.120.0090.00915.10
7.3.110.0090.00915.05
7.3.100.0130.00614.99
7.3.90.0100.00614.83
7.3.80.0030.01014.90
7.3.70.0030.01014.78
7.3.60.0080.00414.90
7.3.50.0080.00814.80
7.3.40.0080.00014.75
7.3.30.0030.00714.88
7.3.20.0000.01216.60
7.3.10.0050.01116.50
7.3.00.0090.01016.28
7.2.330.0040.01416.67
7.2.320.0110.00716.68
7.2.310.0120.00816.73
7.2.300.0080.00816.65
7.2.290.0000.01616.79
7.2.250.0100.01014.70
7.2.240.0070.01115.00
7.2.230.0070.01015.21
7.2.220.0000.00815.05
7.2.210.0070.01015.18
7.2.200.0030.00615.10
7.2.190.0080.00815.06
7.2.180.0090.00315.14
7.2.170.0030.00915.05
7.2.160.0110.00315.10
7.2.150.0000.01316.64
7.2.140.0140.00316.96
7.2.130.0100.00516.56
7.2.120.0140.01016.75
7.2.110.0100.01216.56
7.2.100.0110.00616.79
7.2.90.0070.01116.47
7.2.80.0110.01016.79
7.2.70.0070.00816.67
7.2.60.0100.00716.68
7.2.50.0040.01416.55
7.2.40.0180.00716.98
7.2.30.0130.00216.47
7.2.20.0120.01216.89
7.2.10.0060.01116.78
7.2.00.0080.00917.70
7.1.330.0070.01015.67
7.1.320.0100.00315.71
7.1.310.0030.00615.69
7.1.300.0060.00915.74
7.1.290.0000.01415.81
7.1.280.0000.01215.73
7.1.270.0080.00315.52
7.1.260.0110.00415.92
7.1.250.0010.01215.61
7.1.240.0070.00715.43
7.1.230.0040.00815.73
7.1.220.0030.01015.50
7.1.210.0030.01015.63
7.1.200.0070.00815.70
7.1.190.0000.01115.71
7.1.180.0090.00015.56
7.1.170.0050.00315.79
7.1.160.0050.00315.63
7.1.150.0070.00715.34
7.1.140.0040.01115.83
7.1.130.0060.01015.75
7.1.120.0050.00515.91
7.1.110.0030.01015.80
7.1.100.0040.01016.92
7.1.90.0030.00615.81
7.1.80.0060.00915.63
7.1.70.0040.00716.47
7.1.60.0080.00316.52
7.1.50.0060.01116.15
7.1.40.0000.01415.73
7.1.30.0000.01515.59
7.1.20.0030.01415.69
7.1.10.0060.00915.67
7.1.00.0050.03019.11
7.0.330.0110.00315.45
7.0.320.0040.00815.37
7.0.310.0000.01315.20
7.0.300.0040.00415.48
7.0.290.0000.01415.52
7.0.280.0070.00415.47
7.0.270.0030.00514.95
7.0.260.0030.01215.57
7.0.250.0100.00315.27
7.0.240.0000.01115.42
7.0.230.0030.00615.44
7.0.220.0040.00715.46
7.0.210.0070.00715.36
7.0.200.0040.00916.00
7.0.190.0090.00315.38
7.0.180.0000.01415.27
7.0.170.0040.00715.10
7.0.160.0030.00615.30
7.0.150.0000.00915.14
7.0.140.0070.03918.82
7.0.130.0040.01115.50
7.0.120.0050.04018.88
7.0.110.0040.00815.48
7.0.100.0040.01115.40
7.0.90.0120.00315.50
7.0.80.0120.00315.57
7.0.70.0070.00715.46
7.0.60.0100.03818.66
7.0.50.0070.03416.70
7.0.40.0080.04416.85
7.0.30.0150.04216.79
7.0.20.0180.03716.86
7.0.10.0080.04516.83
7.0.00.0050.04116.61
5.6.400.0040.00414.58
5.6.390.0070.00714.19
5.6.380.0030.00614.73
5.6.370.0030.01214.34
5.6.360.0000.01414.38
5.6.350.0060.00614.42
5.6.340.0070.01014.43
5.6.330.0000.00914.40
5.6.320.0090.00314.20
5.6.310.0070.00714.69
5.6.300.0040.01114.30
5.6.290.0040.01114.34
5.6.280.0040.04117.73
5.6.270.0030.01414.43
5.6.260.0040.00714.43
5.6.250.0070.01014.34
5.6.240.0060.00614.56
5.6.230.0000.01014.59
5.6.220.0000.01714.53
5.6.210.0050.03217.54
5.6.200.0070.03916.18
5.6.190.0090.04017.43
5.6.180.0110.02817.49
5.6.170.0180.03717.67
5.6.160.0070.02717.51
5.6.150.0020.03316.32
5.6.140.0030.03116.31
5.6.130.0040.02716.10
5.6.120.0050.02417.57
5.6.110.0070.04217.69
5.6.100.0030.02717.65
5.6.90.0020.03417.67
5.6.80.0070.04317.25
5.6.70.0080.00814.33
5.6.60.0030.00714.14
5.6.50.0150.00014.24
5.6.40.0030.01014.45
5.6.30.0040.01114.57
5.6.20.0070.00714.09
5.6.10.0000.01314.49
5.6.00.0070.00714.34
5.5.380.0060.01014.25
5.5.370.0070.00314.30
5.5.360.0090.00314.42
5.5.350.0020.04917.41
5.5.340.0070.04016.12
5.5.330.0030.02717.46
5.5.320.0220.03517.28
5.5.310.0100.04117.31
5.5.300.0040.02616.07
5.5.290.0090.03516.20
5.5.280.0090.04017.61
5.5.270.0090.04017.68
5.5.260.0080.04517.62
5.5.250.0110.03817.63
5.5.240.0110.03717.39
5.5.230.0030.01014.23
5.5.220.0040.00814.34
5.5.210.0070.00714.29
5.5.200.0070.00314.38
5.5.190.0030.00614.22
5.5.180.0030.01013.98
5.5.170.0000.01314.07
5.5.160.0000.01114.33
5.5.150.0070.00314.37
5.5.140.0100.00014.35
5.5.130.0030.01014.29
5.5.120.0050.01314.25
5.5.110.0070.00714.29
5.5.100.0000.01214.36
5.5.90.0040.00814.14
5.5.80.0070.00314.36
5.5.70.0090.00614.51
5.5.60.0070.01114.41
5.5.50.0060.00914.20
5.5.40.0060.00914.10
5.5.30.0000.01014.39
5.5.20.0140.00314.40
5.5.10.0000.01314.09
5.5.00.0090.00614.28
5.4.450.0050.02516.29
5.4.440.0070.02016.34
5.4.430.0020.02416.37
5.4.420.0050.02116.32
5.4.410.0060.02316.18
5.4.400.0020.02616.01
5.4.390.0040.02216.14
5.4.380.0050.02016.20
5.4.370.0030.02216.15
5.4.360.0000.02616.02
5.4.350.0020.02316.08
5.4.340.0020.02416.07
5.4.330.0000.00813.16
5.4.320.0040.02216.20
5.4.310.0050.02416.16
5.4.300.0050.02716.12
5.4.290.0100.02316.14
5.4.280.0030.02116.20
5.4.270.0090.02216.06
5.4.260.0070.03516.18
5.4.250.0070.02716.18
5.4.240.0110.03516.15
5.4.230.0100.02316.00
5.4.220.0050.03016.21
5.4.210.0010.02616.13
5.4.200.0040.02316.00
5.4.190.0040.02416.13
5.4.180.0080.02016.15
5.4.170.0020.02816.19
5.4.160.0080.03816.14
5.4.150.0040.02416.03
5.4.140.0020.03114.77
5.4.130.0050.02814.85
5.4.120.0100.02514.73
5.4.110.0030.02114.75
5.4.100.0030.04214.78
5.4.90.0090.03714.82
5.4.80.0080.03314.77
5.4.70.0070.02014.79
5.4.60.0060.04014.71
5.4.50.0050.04114.72
5.4.40.0030.03514.73
5.4.30.0080.03714.75
5.4.20.0080.02214.71
5.4.10.0080.03114.78
5.4.00.0050.03314.57
5.3.290.0020.03613.91
5.3.280.0050.03813.89
5.3.270.0060.02113.89
5.3.260.0050.02513.91
5.3.250.0050.02313.96
5.3.240.0020.04613.97
5.3.230.0030.02313.90
5.3.220.0010.02413.89
5.3.210.0030.04313.90
5.3.200.0030.02413.88
5.3.190.0050.03713.88
5.3.180.0050.02213.95
5.3.170.0030.02513.89
5.3.160.0020.03213.81
5.3.150.0040.02713.88
5.3.140.0070.03013.89
5.3.130.0030.04113.89
5.3.120.0050.03613.90
5.3.110.0050.03513.87
5.3.100.0040.04413.63
5.3.90.0050.03913.67
5.3.80.0020.03213.61
5.3.70.0020.03413.62
5.3.60.0030.03813.58
5.3.50.0090.03813.52
5.3.40.0030.02413.60
5.3.30.0060.03313.54
5.3.20.0080.02813.45
5.3.10.0020.04413.41
5.3.00.0070.02713.47
5.2.170.0130.04011.21
5.2.160.0070.02711.30
5.2.150.0030.03011.15
5.2.140.0130.02711.33
5.2.130.0070.06311.11
5.2.120.0000.04311.04
5.2.110.0070.04011.25
5.2.100.0070.06311.18
5.2.90.0030.06011.11
5.2.80.0130.06311.07
5.2.70.0030.06711.26
5.2.60.0000.06011.03
5.2.50.0070.05311.09
5.2.40.0000.04010.96
5.2.30.0100.05710.90
5.2.20.0000.05010.85
5.2.10.0070.06010.94
5.2.00.0100.05710.69
5.1.60.0030.05710.15
5.1.50.0000.0339.98
5.1.40.0030.0479.96
5.1.30.0070.04710.39
5.1.20.0070.03310.42
5.1.10.0030.0309.99
5.1.00.0170.03310.03
5.0.50.0070.0438.60
5.0.40.0030.0338.40
5.0.30.0000.0708.21
5.0.20.0100.0338.18
5.0.10.0030.0438.15
5.0.00.0030.0578.21
4.4.90.0000.0237.99
4.4.80.0030.0277.99
4.4.70.0070.0107.99
4.4.60.0030.0337.99
4.4.50.0000.0277.99
4.4.40.0070.0337.99
4.4.30.0070.0337.99
4.4.20.0030.0207.99
4.4.10.0030.0377.99
4.4.00.0070.0437.99
4.3.110.0030.0307.99
4.3.100.0070.0237.99
4.3.90.0030.0337.99
4.3.80.0000.0307.99
4.3.70.0070.0277.99
4.3.60.0070.0137.99
4.3.50.0030.0177.99
4.3.40.0030.0237.99
4.3.30.0000.0237.99
4.3.20.0030.0307.99
4.3.10.0000.0337.99
4.3.00.0000.0377.99

preferences:
57.66 ms | 400 KiB | 5 Q