3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X {}; class Y implements Serializable{ public $data = array(); public function serialize() { return serialize($this->data); } public function unserialize($data) { $this->data = unserialize($data); } }; $x = new X(); $y = new Y(); var_dump(serialize($x)); var_dump(serialize($y));

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)
8.3.60.0150.00316.88
8.3.50.0050.01221.14
8.3.40.0070.00718.84
8.3.30.0110.00418.54
8.3.20.0040.00420.38
8.3.10.0000.00823.69
8.3.00.0080.00023.63
8.2.180.0140.00418.13
8.2.170.0070.01022.96
8.2.160.0050.00822.26
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0000.00826.16
8.2.120.0090.00017.88
8.2.110.0000.00922.16
8.2.100.0090.00317.91
8.2.90.0030.00519.23
8.2.80.0080.00017.97
8.2.70.0050.00317.38
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0070.00419.52
8.2.30.0060.00317.98
8.2.20.0000.00717.75
8.2.10.0030.00618.20
8.2.00.0070.00017.94
8.1.280.0090.00625.92
8.1.270.0080.00020.23
8.1.260.0000.00826.35
8.1.250.0030.00628.09
8.1.240.0030.00619.23
8.1.230.0080.00317.76
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0070.00421.99
8.1.150.0040.00418.90
8.1.140.0070.00017.56
8.1.130.0000.00717.72
8.1.120.0040.00417.38
8.1.110.0000.00717.45
8.1.100.0030.00317.47
8.1.90.0000.00817.40
8.1.80.0040.00417.41
8.1.70.0030.00517.40
8.1.60.0040.00417.59
8.1.50.0040.00417.52
8.1.40.0000.00817.46
8.1.30.0000.00917.61
8.1.20.0040.00417.69
8.1.10.0000.00717.52
8.1.00.0030.00617.34
8.0.300.0030.00618.77
8.0.290.0070.00016.63
8.0.280.0000.00718.45
8.0.270.0080.00017.26
8.0.260.0030.00317.20
8.0.250.0000.00716.94
8.0.240.0000.00816.86
8.0.230.0000.00716.99
8.0.220.0000.00716.84
8.0.210.0080.00016.86
8.0.200.0000.00616.88
8.0.190.0070.00016.83
8.0.180.0030.00316.81
8.0.170.0030.00516.94
8.0.160.0000.00716.87
8.0.150.0040.00416.77
8.0.140.0000.00716.89
8.0.130.0030.00313.32
8.0.120.0040.00416.90
8.0.110.0050.00216.77
8.0.100.0040.00416.76
8.0.90.0000.00816.93
8.0.80.0030.01316.94
8.0.70.0000.00816.93
8.0.60.0040.00416.81
8.0.50.0050.00316.79
8.0.30.0070.01417.04
8.0.20.0090.00917.40
8.0.10.0030.00616.84
8.0.00.0090.00816.77
7.4.330.0040.00415.08
7.4.320.0000.00816.52
7.4.300.0030.00316.57
7.4.290.0000.00716.61
7.4.280.0000.00816.52
7.4.270.0000.00816.62
7.4.260.0040.00416.63
7.4.250.0040.00416.53
7.4.240.0070.00016.54
7.4.230.0030.00316.67
7.4.220.0170.00016.64
7.4.210.0100.00616.64
7.4.200.0030.00316.71
7.4.160.0080.01116.55
7.4.150.0090.00917.40
7.4.140.0100.01317.86
7.4.130.0100.00716.53
7.4.120.0120.00816.59
7.4.110.0070.01116.73
7.4.100.0030.01516.68
7.4.90.0100.00716.37
7.4.80.0170.00619.39
7.4.70.0090.00616.37
7.4.60.0130.00316.67
7.4.50.0060.00016.49
7.4.40.0130.00716.54
7.4.30.0160.00616.47
7.4.10.0090.00914.89
7.4.00.0090.00914.84
7.3.330.0030.00313.16
7.3.320.0050.00013.24
7.3.310.0030.00316.26
7.3.300.0000.00716.11
7.3.290.0070.00716.21
7.3.280.0100.00916.22
7.3.270.0040.01517.40
7.3.260.0070.01316.31
7.3.250.0160.00316.32
7.3.240.0190.00316.43
7.3.230.0050.01416.44
7.3.210.0140.00716.22
7.3.200.0110.01216.25
7.3.190.0050.01016.47
7.3.180.0150.00516.26
7.3.170.0110.00716.46
7.3.160.0150.00716.23
7.3.130.0070.01314.47
7.3.120.0100.00814.73
7.3.110.0030.01514.83
7.3.100.0100.00514.70
7.3.90.0060.01014.65
7.3.80.0030.01114.97
7.3.70.0070.01014.63
7.3.60.0080.00314.71
7.3.50.0090.00414.39
7.3.40.0030.01214.44
7.3.30.0070.00914.66
7.3.20.0040.01016.56
7.3.10.0040.00816.52
7.3.00.0110.00316.57
7.2.330.0060.01216.79
7.2.320.0030.01316.59
7.2.310.0000.01716.45
7.2.300.0070.01016.70
7.2.290.0100.00616.66
7.2.260.0090.00614.95
7.2.250.0070.01314.64
7.2.240.0060.00914.63
7.2.230.0030.01314.97
7.2.220.0060.00714.88
7.2.210.0040.01214.99
7.2.200.0050.00914.80
7.2.190.0090.00614.90
7.2.180.0060.00615.11
7.2.170.0070.00914.96
7.2.160.0030.00914.90
7.2.150.0040.00816.61
7.2.140.0060.00316.59
7.2.130.0030.01416.96
7.2.120.0030.00916.91
7.2.110.0060.00616.80
7.2.100.0000.01316.92
7.2.90.0060.00316.82
7.2.80.0040.00716.92
7.2.70.0000.01716.74
7.2.60.0070.00716.79
7.2.50.0030.01017.07
7.2.40.0060.00616.62
7.2.30.0100.00316.89
7.2.20.0070.01016.78
7.2.10.0000.01616.66
7.2.00.0080.00818.15
7.1.330.0100.00615.81
7.1.320.0090.00615.55
7.1.310.0030.00815.60
7.1.300.0030.00915.63
7.1.290.0070.00915.79
7.1.280.0030.00815.71
7.1.270.0040.01215.65
7.1.260.0070.00415.66
7.1.250.0030.01415.41
7.1.240.0110.00315.75
7.1.230.0070.01115.55
7.1.220.0000.01415.48
7.1.210.0030.01015.84
7.1.200.0090.00215.57
7.1.190.0060.00915.46
7.1.180.0000.01215.52
7.1.170.0100.00615.67
7.1.160.0030.01015.87
7.1.150.0030.00715.61
7.1.140.0060.00315.75
7.1.130.0070.00415.63
7.1.120.0060.00615.99
7.1.110.0030.00915.65
7.1.100.0080.00616.87
7.1.90.0120.00015.63
7.1.80.0040.00715.86
7.1.70.0020.00916.41
7.1.60.0060.00616.23
7.1.50.0070.00716.18
7.1.40.0000.00815.48
7.1.30.0080.00515.80
7.1.20.0090.00315.71
7.1.10.0030.00615.42
7.1.00.0040.04419.08
7.0.330.0000.01715.29
7.0.320.0090.00315.31
7.0.310.0030.00715.41
7.0.300.0060.00815.14
7.0.290.0060.00315.33
7.0.280.0000.01315.34
7.0.270.0040.00415.35
7.0.260.0090.00615.44
7.0.250.0140.00015.53
7.0.240.0030.01215.04
7.0.230.0080.00015.15
7.0.220.0000.01315.23
7.0.210.0000.01315.23
7.0.200.0060.00516.04
7.0.190.0070.00714.98
7.0.180.0030.00915.33
7.0.170.0070.00715.52
7.0.160.0050.00515.51
7.0.150.0030.01215.57
7.0.140.0100.00615.55
7.0.130.0070.00415.47
7.0.120.0040.00715.38
7.0.110.0070.00715.45
7.0.100.0040.00415.35
7.0.90.0090.00615.42
7.0.80.0100.00315.20
7.0.70.0060.00615.26
7.0.60.0150.02217.58
7.0.50.0020.02516.70
7.0.40.0070.02516.56
7.0.30.0170.04716.87
7.0.20.0180.04116.75
7.0.10.0100.04516.72
7.0.00.0040.03016.75
5.6.400.0040.01214.56
5.6.390.0070.00714.34
5.6.380.0080.00814.59
5.6.370.0100.00714.27
5.6.360.0030.00914.32
5.6.350.0030.01014.19
5.6.340.0070.01014.31
5.6.330.0060.00913.91
5.6.320.0100.00314.03
5.6.310.0060.00614.40
5.6.300.0000.01514.40
5.6.290.0060.00913.98
5.6.280.0070.02017.55
5.6.270.0030.00914.33
5.6.260.0060.00314.28
5.6.250.0100.00314.25
5.6.240.0000.01014.40
5.6.230.0080.00314.34
5.6.220.0100.00714.25
5.6.210.0090.03717.38
5.6.200.0080.03016.23
5.6.190.0050.03417.52
5.6.180.0310.03517.56
5.6.170.0230.04017.53
5.6.160.0090.03617.34
5.6.150.0050.03816.26
5.6.140.0070.02116.18
5.6.130.0080.02116.24
5.6.120.0070.03317.62
5.6.110.0070.03317.53
5.6.100.0060.03917.73
5.6.90.0070.04317.63
5.6.80.0100.04617.26
5.6.70.0000.01914.32
5.6.60.0000.01514.25
5.6.50.0000.01414.26
5.6.40.0040.01114.30
5.6.30.0070.01014.28
5.6.20.0030.00914.28
5.6.10.0070.00714.16
5.6.00.0090.00314.11
5.5.380.0050.00314.18
5.5.370.0040.00814.13
5.5.360.0100.00314.59
5.5.350.0020.05017.32
5.5.340.0030.04216.16
5.5.330.0070.03217.20
5.5.320.0150.02317.32
5.5.310.0190.03117.22
5.5.300.0060.03915.94
5.5.290.0050.04916.05
5.5.280.0060.03317.36
5.5.270.0070.03617.61
5.5.260.0010.04617.53
5.5.250.0080.03317.33
5.5.240.0180.03716.96
5.5.230.0090.00714.21
5.5.220.0040.01114.16
5.5.210.0040.01114.02
5.5.200.0030.01014.01
5.5.190.0080.00813.99
5.5.180.0090.00614.15
5.5.170.0030.01214.29
5.5.160.0070.00714.23
5.5.150.0000.01514.11
5.5.140.0040.00814.33
5.5.130.0040.00414.06
5.5.120.0040.00814.00
5.5.110.0100.00314.12
5.5.100.0060.00914.31
5.5.90.0050.00514.04
5.5.80.0060.00914.21
5.5.70.0030.01014.09
5.5.60.0110.00414.23
5.5.50.0030.00613.90
5.5.40.0060.00613.87
5.5.30.0030.00714.19
5.5.20.0060.00614.30
5.5.10.0110.00414.32
5.5.00.0000.01313.89
5.4.450.0500.03515.15
5.4.440.0670.03815.22
5.4.430.0450.03315.36
5.4.420.0320.03615.00
5.4.410.0380.03515.24
5.4.400.0480.03715.11
5.4.390.0550.03514.84
5.4.380.0430.02515.02
5.4.370.0370.03415.07
5.4.360.0370.03514.79
5.4.350.0400.03015.23
5.4.340.0360.03015.23
5.4.330.0040.00411.10
5.4.320.0430.02715.23
5.4.310.0380.03015.03
5.4.300.0500.03014.92
5.4.290.0370.02815.09
5.4.280.0380.03314.98
5.4.270.0500.02715.16
5.4.260.0430.02514.73
5.4.250.0420.03314.95
5.4.240.0480.03514.97
5.4.230.0400.02914.93
5.4.220.0520.03814.91
5.4.210.0390.03514.86
5.4.200.0130.03613.83
5.4.190.0070.03214.98
5.4.180.0050.04014.89
5.4.170.0430.03615.07
5.4.160.0400.03015.08
5.4.150.0400.03915.07
5.4.140.0420.04213.80
5.4.130.0290.03213.65
5.4.120.0020.03313.74
5.4.110.0080.02513.74
5.4.100.0360.02813.72
5.4.90.0380.04213.60
5.4.80.0380.02813.79
5.4.70.0360.03313.69
5.4.60.0460.02713.77
5.4.50.0450.02813.65
5.4.40.0380.02813.76
5.4.30.0350.02713.68
5.4.20.0420.03413.57
5.4.10.0470.02913.52
5.4.00.0420.03213.39
5.3.290.0800.04714.66
5.3.280.0900.04714.46
5.3.270.0730.05014.66
5.3.260.0670.05714.52
5.3.250.0770.05314.75
5.3.240.0700.05714.47
5.3.230.0700.05314.59
5.3.220.0830.05314.49
5.3.210.0800.06714.48
5.3.200.0770.05714.56
5.3.190.0870.06714.48
5.3.180.0630.05014.45
5.3.170.0000.06314.43
5.3.160.0130.08714.56
5.3.150.0870.07314.53
5.3.140.1070.07714.62
5.3.130.1200.08014.61
5.3.120.1000.08014.57
5.3.110.1100.07014.47
5.3.100.0900.06714.08
5.3.90.0970.05014.11
5.3.80.0930.06013.94
5.3.70.0870.04313.88
5.3.60.0830.05714.06
5.3.50.0770.06713.86
5.3.40.0470.05713.86
5.3.30.0100.05013.83
5.3.20.0100.04713.61
5.3.10.0130.06713.71
5.3.00.1130.04013.55
5.2.170.0530.04711.09
5.2.160.0770.03711.02
5.2.150.0830.05011.07
5.2.140.0630.04311.06
5.2.130.0100.05311.03
5.2.120.0030.06011.01
5.2.110.0130.04711.04
5.2.100.0570.05311.03
5.2.90.0700.03711.12
5.2.80.0730.04711.01
5.2.70.0900.04011.11
5.2.60.0570.04011.27
5.2.50.0730.04011.11
5.2.40.0600.04311.15
5.2.30.0500.04711.07
5.2.20.0470.05310.95
5.2.10.0530.04310.87
5.2.00.0570.04010.63
5.1.60.0570.03310.05
5.1.50.0430.04310.16
5.1.40.0600.0339.96
5.1.30.0470.04710.30
5.1.20.0600.03010.58
5.1.10.0500.04710.05
5.1.00.0600.04710.14
5.0.50.0300.0279.54
5.0.40.0270.0309.54
5.0.30.0270.0509.54
5.0.20.0270.0379.54
5.0.10.0270.0339.54
5.0.00.0230.0439.54
4.4.90.0200.0239.54
4.4.80.0330.0239.54
4.4.70.0300.0209.54
4.4.60.0300.0309.54
4.4.50.0270.0209.54
4.4.40.0270.0379.54
4.4.30.0400.0139.54
4.4.20.0270.0209.54
4.4.10.0270.0279.54
4.4.00.0200.0439.54
4.3.110.0070.0209.54
4.3.100.0030.0279.54
4.3.90.0070.0279.54
4.3.80.0000.0479.54
4.3.70.0000.0339.54
4.3.60.0030.0309.54
4.3.50.0000.0279.54
4.3.40.0030.0339.54
4.3.30.0130.0279.54
4.3.20.0100.0279.54
4.3.10.0130.0309.54
4.3.00.0100.0237.07

preferences:
61.62 ms | 401 KiB | 5 Q