3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o1 = (object) array('a' => 1); $h1 = spl_object_hash($o1); unset($o1); $o2 = (object) array('b' => 1); $h2 = spl_object_hash($o2); echo "$h1\n$h2\n"; var_dump($h1 === $h2);

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)
8.3.40.0100.00718.85
8.3.30.0130.00719.14
8.3.20.0070.00020.34
8.3.10.0080.00021.90
8.3.00.0080.00020.67
8.2.170.0100.00722.96
8.2.160.0090.00619.26
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00819.36
8.2.110.0040.01919.14
8.2.100.0060.00617.91
8.2.90.0080.00019.00
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0000.00918.07
8.2.40.0080.00017.93
8.2.30.0000.00717.94
8.2.20.0000.00817.68
8.2.10.0050.00317.61
8.2.00.0060.00317.74
8.1.270.0050.00322.22
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0080.00022.09
8.1.230.0040.00818.86
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0080.00017.41
8.1.180.0000.00718.60
8.1.170.0110.00018.49
8.1.160.0030.00322.12
8.1.150.0050.00218.56
8.1.140.0000.00717.36
8.1.130.0030.00317.36
8.1.120.0030.00417.42
8.1.110.0030.00717.38
8.1.100.0030.00317.27
8.1.90.0070.00017.28
8.1.80.0070.00017.37
8.1.70.0030.00317.36
8.1.60.0030.00617.56
8.1.50.0000.00717.50
8.1.40.0040.00417.27
8.1.30.0030.00617.46
8.1.20.0050.00317.63
8.1.10.0000.00717.48
8.1.00.0040.00417.43
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.50
8.0.270.0030.00317.25
8.0.260.0030.00316.93
8.0.250.0000.00617.03
8.0.240.0040.00417.04
8.0.230.0030.00316.88
8.0.220.0070.00016.93
8.0.210.0000.00717.02
8.0.200.0030.00317.03
8.0.190.0060.00317.03
8.0.180.0040.00416.95
8.0.170.0050.00316.99
8.0.160.0000.00916.90
8.0.150.0040.00416.95
8.0.140.0040.00416.81
8.0.130.0050.00013.36
8.0.120.0040.00416.79
8.0.110.0070.00016.93
8.0.100.0040.00416.98
8.0.90.0070.00016.87
8.0.80.0110.00316.94
8.0.70.0070.00017.06
8.0.60.0050.00217.01
8.0.50.0030.00516.89
8.0.30.0120.00616.97
8.0.20.0110.00817.40
8.0.10.0000.00916.97
8.0.00.0070.01016.71
7.4.330.0050.00015.00
7.4.320.0040.00416.47
7.4.300.0070.00016.64
7.4.290.0020.00516.52
7.4.280.0060.00016.53
7.4.270.0030.00316.51
7.4.260.0030.00316.62
7.4.250.0040.00416.41
7.4.240.0060.00216.46
7.4.230.0000.00716.57
7.4.220.0110.00616.41
7.4.210.0100.00616.60
7.4.200.0070.00016.57
7.4.190.0000.00716.54
7.4.160.0080.00816.59
7.4.150.0150.00317.40
7.4.140.0080.01017.86
7.4.130.0070.01316.42
7.4.120.0090.00816.43
7.4.110.0060.01016.61
7.4.100.0040.01516.40
7.4.90.0100.00716.41
7.4.80.0090.00919.39
7.4.70.0060.01516.27
7.4.60.0100.00716.51
7.4.50.0000.00816.62
7.4.40.0110.00722.77
7.4.30.0100.01016.51
7.4.00.0070.00915.07
7.3.330.0050.00013.16
7.3.320.0030.00313.20
7.3.310.0040.00416.33
7.3.300.0070.00016.34
7.3.290.0070.00716.38
7.3.280.0070.01016.35
7.3.270.0120.00717.40
7.3.260.0080.01516.27
7.3.250.0070.01016.29
7.3.240.0120.00416.40
7.3.230.0070.01016.62
7.3.210.0090.00916.36
7.3.200.0090.00919.39
7.3.190.0060.01216.48
7.3.180.0120.00316.49
7.3.170.0140.00616.36
7.3.160.0090.00616.47
7.3.120.0070.01014.88
7.3.110.0040.01114.83
7.3.100.0000.01114.85
7.3.90.0070.00714.79
7.3.80.0030.01014.74
7.3.70.0070.00714.61
7.3.60.0120.00614.76
7.3.50.0070.01114.52
7.3.40.0070.00714.84
7.3.30.0060.00914.72
7.3.20.0070.01016.42
7.3.10.0060.00916.72
7.3.00.0040.01116.55
7.2.330.0180.00016.57
7.2.320.0160.00316.55
7.2.310.0130.00316.53
7.2.300.0030.01316.43
7.2.290.0030.01416.58
7.2.250.0070.01014.91
7.2.240.0100.00615.21
7.2.230.0070.00714.89
7.2.220.0030.01015.11
7.2.210.0000.01415.10
7.2.200.0030.01314.88
7.2.190.0070.00715.08
7.2.180.0060.00614.66
7.2.170.0090.00615.07
7.2.130.0100.00316.87
7.2.120.0050.00516.77
7.2.110.0030.00916.55
7.2.100.0000.00916.83
7.2.90.0000.01116.75
7.2.80.0110.00017.07
7.2.70.0030.00716.78
7.2.60.0050.00916.58
7.2.50.0050.00517.03
7.2.40.0000.01016.61
7.2.30.0110.00316.91
7.2.20.0040.01117.08
7.2.10.0000.01116.95
7.2.00.0060.00918.11
7.1.330.0070.00715.86
7.1.320.0000.01415.86
7.1.310.0000.01615.96
7.1.300.0060.00915.79
7.1.290.0000.01115.84
7.1.280.0070.01015.51
7.1.270.0060.00615.59
7.1.260.0030.00916.01
7.1.250.0090.00016.05
7.1.200.0030.00715.90
7.1.70.0000.00817.19
7.1.60.0030.01017.22
7.1.50.0190.00934.56
7.1.00.0030.05722.31
7.0.200.0030.01016.84
7.0.140.0000.07722.08
7.0.60.0070.07719.91
7.0.50.0100.07717.91
7.0.40.0070.08720.12
7.0.30.0200.05320.30
7.0.20.0330.07020.33
7.0.10.0070.08320.01
7.0.00.0030.07019.99
5.6.280.0000.07720.86
5.6.210.0030.08320.47
5.6.200.0000.04318.22
5.6.190.0000.08720.35
5.6.180.0530.05720.27
5.6.170.0230.06320.42
5.6.160.0070.08020.48
5.6.150.0100.05318.17
5.6.140.0000.04718.12
5.6.130.0100.07718.22
5.6.120.0000.09020.98
5.6.110.0130.07021.10
5.6.100.0030.07321.03
5.6.90.0130.05720.95
5.6.80.0070.07720.34
5.6.70.4470.04720.49
5.5.350.0100.06720.39
5.5.340.0070.04018.00
5.5.330.0070.08020.21
5.5.320.0230.07720.33
5.5.310.0170.04020.30
5.5.300.0070.04318.02
5.5.290.0000.04317.95
5.5.280.0070.05020.66
5.5.270.0070.03720.86
5.5.260.0070.05020.86
5.5.250.0200.07320.58
5.5.240.0030.03020.10
5.4.450.0670.06019.14
5.4.440.0830.06319.42
5.4.430.0900.05019.27
5.4.420.0600.05319.54
5.4.410.0900.05319.42
5.4.400.0400.04718.74
5.4.390.0470.04018.70
5.4.380.0170.06018.72
5.4.370.0300.04018.61
5.4.360.0070.06018.57
5.4.350.0030.06318.78
5.4.340.0170.05018.46
5.4.320.0060.04412.45
5.4.310.0070.03812.45
5.4.300.0060.03612.45
5.4.290.0060.03712.45
5.4.280.0060.03612.34
5.4.270.0110.04112.35
5.4.260.0170.04318.75
5.4.250.0030.05318.65
5.4.240.0200.04018.93
5.4.230.0070.05718.65
5.4.220.0030.05718.94
5.4.210.0030.05318.65
5.4.200.0000.05718.92
5.4.190.0000.06018.92
5.4.180.0270.03318.77
5.4.170.0000.06018.92
5.4.160.0030.05318.87
5.4.150.0100.06318.89
5.4.140.0070.05316.48
5.4.130.0070.07316.26
5.4.120.0200.04016.27
5.4.110.0170.04016.49
5.4.100.0130.04316.21
5.4.90.0070.05016.34
5.4.80.0100.04716.19
5.4.70.0070.04716.44
5.4.60.0070.05316.32
5.4.50.0100.04716.42
5.4.40.0070.05716.55
5.4.30.0030.05716.20
5.4.20.0100.04716.39
5.4.10.0130.04716.49
5.4.00.0070.05015.93
5.3.290.0020.04312.80
5.3.280.0170.04014.69
5.3.270.0070.07014.62
5.3.260.0100.05014.70
5.3.250.0170.04314.30
5.3.240.0100.07314.32
5.3.230.0170.04314.46
5.3.220.0130.04314.45
5.3.210.0070.05714.73
5.3.200.0100.05014.61
5.3.190.0170.06714.58
5.3.180.0170.04314.58
5.3.170.0170.04014.65
5.3.160.0100.07314.26
5.3.150.0030.05314.58
5.3.140.0030.07314.70
5.3.130.0070.05314.64
5.3.120.0100.05314.70
5.3.110.0130.04314.32
5.3.100.0130.05014.03
5.3.90.0070.05014.06
5.3.80.0130.04714.05
5.3.70.0070.04713.93
5.3.60.0170.03713.95
5.3.50.0100.04714.04
5.3.40.0070.05313.72
5.3.30.0100.05013.84
5.3.20.0130.04013.74
5.3.10.0100.04713.50
5.3.00.0000.06013.55
5.2.170.0100.05311.16
5.2.160.0070.03711.16
5.2.150.0100.03710.97
5.2.140.0030.04311.15
5.2.130.0030.04311.18
5.2.120.0070.03711.09
5.2.110.0070.04011.13
5.2.100.0070.05311.00
5.2.90.0100.05011.19
5.2.80.0070.04311.09
5.2.70.0100.03711.10
5.2.60.0100.05011.11
5.2.50.0070.04010.91
5.2.40.0130.03710.97
5.2.30.0070.04010.88
5.2.20.0030.04011.04
5.2.10.0070.05311.03
5.2.00.0000.04310.78
5.1.60.0000.0379.92
5.1.50.0070.0309.93
5.1.40.0100.0279.86
5.1.30.0030.03710.25
5.1.20.0030.03710.54
5.1.10.0130.03710.15
5.1.00.0030.03710.10
5.0.50.0130.0278.43
5.0.40.0070.0338.33
5.0.30.0000.0478.15
5.0.20.0030.0278.27
5.0.10.0070.0378.26
5.0.00.0070.0408.11
4.4.90.0000.0277.27
4.4.80.0030.0337.27
4.4.70.0000.0237.27
4.4.60.0030.0207.27
4.4.50.0130.0107.27
4.4.40.0000.0377.27
4.4.30.0100.0137.27
4.4.20.0000.0237.27
4.4.10.0030.0207.27
4.4.00.0000.0337.27
4.3.110.0000.0237.27
4.3.100.0000.0237.27
4.3.90.0100.0207.27
4.3.80.0100.0407.27
4.3.70.0000.0207.27
4.3.60.0070.0177.27
4.3.50.0070.0207.27
4.3.40.0030.0307.27
4.3.30.0030.0207.27
4.3.20.0030.0207.27
4.3.10.0030.0207.27
4.3.00.0070.0277.89

preferences:
39.81 ms | 400 KiB | 5 Q