3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TestOb { public function has() { $str = serialize($this); if ($str == serialize(new TestOb)) { echo "SAME"; } print_R($str); } } $d = new TestOb(); $d->has();

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)
8.3.70.0120.00916.63
8.3.60.0170.00316.25
8.3.50.0110.00522.08
8.3.40.0110.00418.49
8.3.30.0080.00519.13
8.3.20.0070.00020.18
8.3.10.0040.00423.48
8.3.00.0040.00420.49
8.2.180.0120.00616.38
8.2.170.0040.01122.96
8.2.160.0140.00022.13
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00022.31
8.2.110.0060.00322.29
8.2.100.0060.00617.78
8.2.90.0080.00019.25
8.2.80.0050.00318.04
8.2.70.0080.00017.50
8.2.60.0000.00917.80
8.2.50.0040.00418.07
8.2.40.0040.00419.46
8.2.30.0000.00718.12
8.2.20.0070.00017.52
8.2.10.0040.00417.56
8.2.00.0030.00617.49
8.1.280.0070.00725.92
8.1.270.0080.00023.91
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0060.00323.62
8.1.230.0110.00019.09
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0000.00717.39
8.1.180.0040.00418.10
8.1.170.0040.00418.37
8.1.160.0000.00721.93
8.1.150.0040.00418.54
8.1.140.0040.00417.44
8.1.130.0030.00317.82
8.1.120.0040.00417.37
8.1.110.0050.00217.44
8.1.100.0070.00017.44
8.1.90.0070.00017.36
8.1.80.0000.00817.47
8.1.70.0040.00417.40
8.1.60.0080.00017.57
8.1.50.0080.00017.58
8.1.40.0060.00317.47
8.1.30.0000.00817.46
8.1.20.0050.00317.69
8.1.10.0060.00317.53
8.1.00.0080.00017.39
8.0.300.0040.00418.77
8.0.290.0050.00317.16
8.0.280.0000.00718.44
8.0.270.0000.00717.25
8.0.260.0030.00316.82
8.0.250.0030.00316.81
8.0.240.0040.00616.92
8.0.230.0000.00716.93
8.0.220.0000.00816.71
8.0.210.0030.00316.78
8.0.200.0030.00316.89
8.0.190.0070.00016.90
8.0.180.0070.00016.88
8.0.170.0070.00016.74
8.0.160.0000.00716.83
8.0.150.0030.00316.67
8.0.140.0000.00716.75
8.0.130.0000.00613.21
8.0.120.0000.00816.82
8.0.110.0000.00716.74
8.0.100.0000.00816.70
8.0.90.0000.00716.88
8.0.80.0060.00916.87
8.0.70.0080.00016.66
8.0.60.0050.00216.83
8.0.50.0040.00416.69
8.0.30.0120.00716.89
8.0.20.0120.00617.40
8.0.10.0040.00416.99
8.0.00.0120.00616.80
7.4.330.0050.00015.05
7.4.320.0030.00316.52
7.4.300.0060.00016.49
7.4.290.0000.00716.52
7.4.280.0040.00416.64
7.4.270.0030.00316.63
7.4.260.0070.00016.58
7.4.250.0030.00516.43
7.4.240.0040.00416.56
7.4.230.0070.00016.70
7.4.220.0110.00916.60
7.4.210.0020.01116.49
7.4.200.0070.00016.43
7.4.190.0050.00216.47
7.4.160.0100.00616.50
7.4.150.0070.01017.40
7.4.140.0080.00917.86
7.4.130.0140.00616.38
7.4.120.0080.01016.58
7.4.110.0080.00816.53
7.4.100.0120.00616.52
7.4.90.0050.01116.69
7.4.80.0060.01016.50
7.4.70.0040.01216.49
7.4.60.0060.01016.63
7.4.50.0030.00316.36
7.4.40.0060.01022.77
7.4.30.0070.01016.37
7.4.00.0000.00914.79
7.3.330.0000.00613.24
7.3.320.0000.00513.18
7.3.310.0000.00716.23
7.3.300.0030.00316.25
7.3.290.0060.00916.24
7.3.280.0050.01016.23
7.3.270.0110.00717.40
7.3.260.0200.00016.19
7.3.250.0120.00516.47
7.3.240.0110.00616.53
7.3.230.0030.01916.39
7.3.210.0160.00016.53
7.3.200.0090.01219.39
7.3.190.0130.01016.60
7.3.180.0090.00616.34
7.3.170.0060.01016.30
7.3.160.0090.01216.38
7.3.120.0130.00314.70
7.2.330.0120.00616.77
7.2.320.0060.01216.52
7.2.310.0070.01416.43
7.2.300.0040.01216.60
7.2.290.0100.00716.68
7.2.60.0000.01216.75
7.2.50.0250.00716.88
7.2.00.0090.00319.42
7.1.200.0040.00815.80
7.1.100.0070.00718.21
7.1.70.0000.00717.00
7.1.60.0060.01919.29
7.1.50.0130.01017.02
7.1.00.0070.07322.32
7.0.200.0070.00316.88
7.0.140.0100.06722.11
7.0.60.0100.07321.63
7.0.50.0130.07317.85
7.0.40.0100.07020.20
7.0.30.0300.04020.07
7.0.20.0400.07320.08
7.0.10.0070.05720.24
7.0.00.0070.08320.15
5.6.280.0030.07321.02
5.6.210.0030.04320.75
5.6.200.0030.04018.18
5.6.190.0030.08020.56
5.6.180.0170.08720.58
5.6.170.0200.08320.51
5.6.160.0070.04320.55
5.6.150.0130.06318.19
5.6.140.0070.08318.15
5.6.130.0130.06318.28
5.6.120.0070.04720.99
5.6.110.0170.07321.00
5.6.100.0100.08321.11
5.6.90.0100.06021.00
5.6.80.0030.04320.35
5.5.350.0130.05320.30
5.5.340.0100.03718.07
5.5.330.0000.04320.27
5.5.320.0270.08020.34
5.5.310.0230.04320.31
5.5.300.0100.08017.99
5.5.290.0070.08017.98
5.5.280.0030.04320.76
5.5.270.0130.05720.95
5.5.260.0100.08320.79
5.5.250.0070.08320.70
5.5.240.0330.07320.16
5.4.450.0200.03319.57
5.4.440.0200.08319.41
5.4.430.0170.07019.63
5.4.420.0200.07719.38
5.4.410.0230.06719.07
5.4.400.0130.07719.09
5.4.390.0170.06719.08
5.4.380.0230.03719.14
5.4.370.0200.07318.98
5.4.360.0170.04719.15
5.4.350.0130.03718.95
5.4.340.0170.07719.06
5.4.320.0200.07719.18
5.4.310.0530.05718.87
5.4.300.0200.07318.94
5.4.290.0200.07319.15
5.4.280.0200.07718.87
5.4.270.0300.05019.06
5.4.260.0130.05318.85
5.4.250.0200.04719.25
5.4.240.0270.06719.21
5.4.230.0200.06719.25
5.4.220.0200.07318.97
5.4.210.0200.05719.21
5.4.200.0330.03719.07
5.4.190.0270.05318.93
5.4.180.0170.07719.13
5.4.170.0200.04019.13
5.4.160.0200.07718.96
5.4.150.0400.03019.31
5.4.140.0230.07016.39
5.4.130.0230.06316.34
5.4.120.0370.03716.35
5.4.110.0270.03716.35
5.4.100.0370.05316.46
5.4.90.0200.06716.46
5.4.80.0170.05316.25
5.4.70.0170.07016.33
5.4.60.0200.07016.25
5.4.50.0270.06316.38
5.4.40.0200.04716.39
5.4.30.0130.07716.55
5.4.20.0170.07016.38
5.4.10.0200.07016.48
5.4.00.0170.07015.79
5.3.290.0200.07714.80
5.3.280.0100.04714.80
5.3.270.0270.07014.80
5.3.260.0170.04314.80
5.3.250.0130.07714.80
5.3.240.0170.08014.82
5.3.230.0200.07314.80
5.3.220.0230.07014.80
5.3.210.0200.07714.80
5.3.200.0230.06014.80
5.3.190.0200.07014.80
5.3.180.0170.07014.80
5.3.170.0170.07714.80
5.3.160.0200.07014.80
5.3.150.0170.04314.80
5.3.140.0200.03714.80
5.3.130.0100.08014.80
5.3.120.0230.07714.80
5.3.110.0230.04014.80
5.3.100.0270.07014.80
5.3.90.0230.07314.80
5.3.80.0230.05314.80
5.3.70.0130.05014.80
5.3.60.0230.07314.80
5.3.50.0200.06714.80
5.3.40.0300.06014.80
5.3.30.0230.05714.80
5.3.20.0200.06714.80
5.3.10.0270.05314.80
5.3.00.0170.05014.80
5.2.170.0270.05714.80
5.2.160.0170.05314.80
5.2.150.0230.05714.80
5.2.140.0200.05314.80
5.2.130.0130.03014.80
5.2.120.0130.05714.80
5.2.110.0130.04714.80
5.2.100.0200.02714.80
5.2.90.0200.03014.80
5.2.80.0230.02714.80
5.2.70.0130.04014.80
5.2.60.0170.05014.80
5.2.50.0230.05714.80
5.2.40.0170.05714.80
5.2.30.0230.03714.80
5.2.20.0130.04014.80
5.2.10.0170.04314.80
5.2.00.0170.03714.80
5.1.60.0100.03314.80
5.1.50.0100.02714.80
5.1.40.0130.03014.80
5.1.30.0130.02314.80
5.1.20.0130.02314.80
5.1.10.0130.04714.80
5.1.00.0170.05314.80
5.0.50.0070.03314.80
5.0.40.0130.03014.80
5.0.30.0130.05714.80
5.0.20.0100.02714.80
5.0.10.0030.03314.80
5.0.00.0030.06314.80
4.4.90.0070.04014.80
4.4.80.0030.03314.80
4.4.70.0030.01714.80
4.4.60.0030.02714.80
4.4.50.0100.03314.80
4.4.40.0200.02714.80
4.4.30.0030.02314.80
4.4.20.0100.02014.80
4.4.10.0030.02314.80
4.4.00.0030.06014.80
4.3.110.0070.03714.80
4.3.100.0070.02314.80
4.3.90.0100.03014.80
4.3.80.0070.05014.80
4.3.70.0070.01714.80
4.3.60.0030.01714.80
4.3.50.0070.03714.80
4.3.40.0070.03314.80
4.3.30.0070.02014.80
4.3.20.0030.02014.80
4.3.10.0000.02014.80
4.3.00.0100.03014.80

preferences:
50.66 ms | 401 KiB | 5 Q