3v4l.org

run code in 300+ PHP versions simultaneously
<?php class asf{ public $asf = 1; } $a = new asf(); var_dump($a); echo spl_object_hash($a).PHP_EOL; //00000000702b718*8*000000003d3a961b var_dump($a); //object(asf)#*1* (1) {["asf"]=>int(1)} unset($a); $b = new stdClass(); echo spl_object_hash($b).PHP_EOL; //00000000702b718*8*000000003d3a961b var_dump($b); //object(stdClass)#*1* (0) {} $c = new asf(); echo spl_object_hash(new asf()).PHP_EOL; //00000000702b718*a*000000003d3a961b var_dump($c); //object(asf)#*2* (1) {["asf"]=>int(1)}

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)
8.3.40.0070.00718.75
8.3.30.0110.00420.33
8.3.20.0080.00020.22
8.3.10.0040.00422.04
8.3.00.0090.00022.43
8.2.170.0070.00722.96
8.2.160.0030.01022.08
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00319.54
8.2.110.0030.00722.09
8.2.100.0100.00617.47
8.2.90.0040.00419.21
8.2.80.0040.00419.47
8.2.70.0000.00817.63
8.2.60.0040.00417.92
8.2.50.0000.00818.07
8.2.40.0030.00518.22
8.2.30.0000.00718.07
8.2.20.0040.00417.59
8.2.10.0050.00217.68
8.2.00.0030.00617.70
8.1.270.0080.00024.66
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00623.86
8.1.230.0000.01119.09
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0040.00417.38
8.1.190.0040.00417.53
8.1.180.0060.00319.01
8.1.170.0000.00918.47
8.1.160.0030.00322.15
8.1.150.0000.00718.56
8.1.140.0040.00417.37
8.1.130.0000.00717.89
8.1.120.0030.00617.44
8.1.110.0000.00717.45
8.1.100.0030.00517.50
8.1.90.0030.00517.44
8.1.80.0000.00717.38
8.1.70.0030.00317.47
8.1.60.0080.00017.49
8.1.50.0000.00817.52
8.1.40.0040.00417.53
8.1.30.0000.00817.56
8.1.20.0000.00817.68
8.1.10.0040.00417.49
8.1.00.0030.00717.52
8.0.300.0000.00718.77
8.0.290.0070.00017.18
8.0.280.0030.00318.46
8.0.270.0030.00317.20
8.0.260.0000.00716.84
8.0.250.0030.00316.95
8.0.240.0040.00416.82
8.0.230.0000.00716.86
8.0.220.0000.00716.92
8.0.210.0030.00316.88
8.0.200.0030.00316.99
8.0.190.0050.00317.02
8.0.180.0030.00616.97
8.0.170.0050.00316.82
8.0.160.0070.00017.00
8.0.150.0000.00716.82
8.0.140.0040.00416.76
8.0.130.0030.00313.38
8.0.120.0000.00816.80
8.0.110.0000.00716.91
8.0.100.0040.00416.74
8.0.90.0070.00016.91
8.0.80.0150.00316.90
8.0.70.0030.00516.76
8.0.60.0040.00416.96
8.0.50.0000.00716.68
8.0.30.0100.01116.88
8.0.20.0130.01017.40
8.0.10.0030.00316.91
8.0.00.0100.01216.71
7.4.330.0000.00715.00
7.4.320.0030.00316.47
7.4.300.0000.00716.48
7.4.290.0030.00316.59
7.4.280.0000.00716.54
7.4.270.0000.00716.44
7.4.260.0000.00513.32
7.4.250.0050.00216.52
7.4.240.0040.00416.42
7.4.230.0000.00716.60
7.4.220.0150.00316.53
7.4.210.0070.00816.58
7.4.200.0000.00716.34
7.4.190.0040.00416.64
7.4.160.0140.00316.53
7.4.150.0130.00317.40
7.4.140.0130.00717.86
7.4.130.0080.01016.54
7.4.120.0140.00416.49
7.4.110.0090.00916.36
7.4.100.0070.01116.48
7.4.90.0110.00616.54
7.4.80.0080.00819.39
7.4.70.0040.01316.45
7.4.60.0070.01016.41
7.4.50.0060.00316.50
7.4.40.0030.01022.77
7.4.30.0220.01216.50
7.4.00.0130.00514.92
7.3.330.0030.00313.34
7.3.320.0070.00013.06
7.3.310.0000.00716.16
7.3.300.0070.00016.12
7.3.290.0070.00716.25
7.3.280.0100.00816.29
7.3.270.0100.00717.40
7.3.260.0090.01516.23
7.3.250.0070.01016.50
7.3.240.0060.01616.31
7.3.230.0030.01416.45
7.3.210.0070.01116.55
7.3.200.0030.01419.39
7.3.190.0110.01016.34
7.3.180.0160.00316.31
7.3.170.0050.01416.33
7.3.160.0110.00616.48
7.3.120.0030.01414.88
7.3.110.0030.01614.50
7.3.100.0000.01514.71
7.3.90.0100.00715.01
7.3.80.0090.00614.66
7.3.70.0080.00614.43
7.3.60.0060.00914.48
7.3.50.0090.00314.75
7.3.40.0100.00714.56
7.3.30.0110.00314.75
7.3.20.0030.01416.64
7.3.10.0030.00916.44
7.3.00.0020.01116.58
7.2.330.0060.01216.67
7.2.320.0030.01316.69
7.2.310.0070.01016.39
7.2.300.0080.00816.41
7.2.290.0100.00616.70
7.2.250.0030.01714.88
7.2.240.0100.01014.70
7.2.230.0030.01215.05
7.2.220.0090.00914.79
7.2.210.0120.00314.93
7.2.200.0030.01414.97
7.2.190.0030.01415.17
7.2.180.0090.00614.81
7.2.170.0040.00815.11
7.2.130.0100.00316.88
7.2.120.0070.01016.71
7.2.110.0030.01216.54
7.2.100.0040.01216.71
7.2.90.0100.00716.74
7.2.80.0080.00816.78
7.2.70.0070.00716.56
7.2.60.0040.00916.96
7.2.50.0120.00316.70
7.2.40.0090.00616.70
7.2.30.0070.01016.43
7.2.20.0070.00716.84
7.2.10.0060.00916.87
7.2.00.0070.00818.25
7.1.330.0030.01315.62
7.1.320.0000.01515.95
7.1.310.0030.00915.64
7.1.300.0080.00415.65
7.1.290.0070.00715.87
7.1.280.0000.01415.51
7.1.270.0150.00015.49
7.1.260.0070.00415.79
7.1.250.0030.01015.34
7.1.200.0000.01315.74
7.1.100.0000.01518.18
7.1.70.0000.01017.25
7.1.60.0060.01619.43
7.1.50.0040.01416.65
7.1.00.0000.06722.36
7.0.200.0030.01216.79
7.0.140.0100.06721.93
7.0.60.0070.05319.91
7.0.50.0030.04717.95
7.0.40.0030.04320.04
7.0.30.0300.06020.19
7.0.20.0230.06320.23
7.0.10.0130.08320.23
7.0.00.0000.04320.22
5.6.280.0000.07321.03
5.6.210.0000.07720.72
5.6.200.0030.04018.19
5.6.190.0070.08720.39
5.6.180.0500.07720.77
5.6.170.0230.03720.62
5.6.160.0070.08320.51
5.6.150.0070.03318.16
5.6.140.0030.07718.24
5.6.130.0030.05018.23
5.6.120.0030.04021.02
5.6.110.0100.04020.97
5.6.100.0100.08720.98
5.6.90.0030.04720.97
5.6.80.0100.07720.34
5.5.350.4100.04320.40
5.5.340.0030.08717.95
5.5.330.0030.06320.31
5.5.320.0230.06720.51
5.5.310.0130.04320.26
5.5.300.0070.04017.95
5.5.290.0130.07017.96
5.5.280.0070.04020.98
5.5.270.0030.08720.75
5.5.260.0170.07720.79
5.5.250.0000.04320.79
5.5.240.0000.08020.23
5.4.450.0530.06719.63
5.4.440.0930.07019.16
5.4.430.1030.05319.60
5.4.420.0970.07719.48
5.4.410.0100.05319.57
5.4.400.0830.06319.15
5.4.390.0900.05718.84
5.4.380.0230.05018.61
5.4.370.0270.03718.50
5.4.360.0170.04318.55
5.4.350.0060.03812.02
5.4.340.0080.04612.01
5.4.320.0080.03412.50
5.4.310.0040.04012.49
5.4.300.0080.03912.50
5.4.290.0040.04012.49
5.4.280.0060.04712.39
5.4.270.0050.03712.39
5.4.260.0080.03312.39
5.4.250.0060.04012.39
5.4.240.0100.06318.85
5.4.230.0030.05718.85
5.4.220.0070.05718.85
5.4.210.0030.06019.02
5.4.200.0100.06018.72
5.4.190.0100.05018.70
5.4.180.0070.04718.76
5.4.170.0100.06718.75
5.4.160.0100.05018.86
5.4.150.0070.05318.68
5.4.140.0070.07316.34
5.4.130.0030.05316.54
5.4.120.0130.04016.33
5.4.110.0170.06716.43
5.4.100.0070.06016.43
5.4.90.0130.04316.26
5.4.80.0130.05016.25
5.4.70.0070.05016.40
5.4.60.0000.05716.33
5.4.50.0070.06316.32
5.4.40.0170.06316.33
5.4.30.0070.07016.45
5.4.20.0100.05016.38
5.4.10.0130.04716.45
5.4.00.0100.04715.98
5.3.290.0060.04312.80
5.3.280.0000.06714.61
5.3.270.0000.05714.43
5.3.260.0000.05714.59
5.3.250.0070.06314.62
5.3.240.0070.05014.77
5.3.230.0030.05314.81
5.3.220.0100.06014.63
5.3.210.0170.07014.56
5.3.200.0030.06014.64
5.3.190.0030.05314.39
5.3.180.0100.05314.64
5.3.170.0070.06714.69
5.3.160.0100.05314.66
5.3.150.0030.05314.64
5.3.140.0030.05714.53
5.3.130.0070.07014.56
5.3.120.0130.05314.53
5.3.110.0030.06014.77
5.3.100.0100.04313.94
5.3.90.0170.04014.09
5.3.80.0070.05013.91
5.3.70.0030.05014.07
5.3.60.0030.07014.17
5.3.50.0070.04714.12
5.3.40.0100.05013.94
5.3.30.0100.04713.89
5.3.20.0070.04713.70
5.3.10.0070.04713.71
5.3.00.0030.05313.70
5.2.170.0130.03011.21
5.2.160.0030.04011.32
5.2.150.0030.05311.04
5.2.140.0030.05011.22
5.2.130.0100.03711.08
5.2.120.0100.03711.25
5.2.110.0130.03711.27
5.2.100.0130.03311.16
5.2.90.0030.05311.18
5.2.80.0170.03711.15
5.2.70.0200.04011.16
5.2.60.0170.03010.87
5.2.50.0000.04711.07
5.2.40.0030.05011.16
5.2.30.0030.04011.03
5.2.20.0100.05010.91
5.2.10.0100.03310.93
5.2.00.0030.04310.79
5.1.60.0070.04310.07
5.1.50.0000.04010.05
5.1.40.0130.02710.02
5.1.30.0030.03310.23
5.1.20.0070.05010.25
5.1.10.0030.03710.20
5.1.00.0100.04710.11
5.0.50.0030.0308.73
5.0.40.0000.0408.40
5.0.30.0070.0508.26
5.0.20.0070.0238.32
5.0.10.0070.0208.20
5.0.00.0000.0537.98
4.4.90.0130.0136.64
4.4.80.0000.0306.64
4.4.70.0000.0236.64
4.4.60.0070.0136.64
4.4.50.0030.0276.64
4.4.40.0030.0376.64
4.4.30.0000.0206.64
4.4.20.0070.0176.64
4.4.10.0070.0176.64
4.4.00.0030.0306.64
4.3.110.0100.0206.64
4.3.100.0000.0206.64
4.3.90.0030.0236.64
4.3.80.0030.0306.64
4.3.70.0000.0236.64
4.3.60.0030.0176.64
4.3.50.0000.0306.64
4.3.40.0070.0306.64
4.3.30.0000.0276.64
4.3.20.0000.0236.64
4.3.10.0070.0206.64
4.3.00.0130.0237.26

preferences:
44.74 ms | 400 KiB | 5 Q