3v4l.org

run code in 300+ PHP versions simultaneously
<?php function VS($x, $y) { var_dump($x === $y); if ($x !== $y) { echo "Failed: $y\n"; echo "Got: $x\n"; var_dump(debug_backtrace()); } } function VERIFY($x) { VS($x != false, true); } ////////////////////////////////////////////////////////////////////// VERIFY(!is_object(null)); VERIFY(!is_object(123)); VERIFY(!is_object("test")); VERIFY(!is_object(array(123))); VERIFY(is_object(new stdclass)); VERIFY(!is_object($valid_res)); VERIFY(!is_object($invalid_res)); { $v = unserialize("O:8:\"stdClass\":1:{s:4:\"name\";s:5:\"value\";}"); VERIFY(is_object($v)); } { $v = unserialize("O:8:\"stdClass\":1:{s:7:\"\0*\0name\";s:5:\"value\";}"); VERIFY(is_object($v)); }

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)
8.3.60.0100.01018.55
8.3.50.0070.01421.87
8.3.40.0040.01118.65
8.3.30.0060.00818.92
8.3.20.0000.00720.13
8.3.10.0050.00320.54
8.3.00.0100.00017.50
8.2.180.0140.00316.75
8.2.170.0140.00022.96
8.2.160.0130.00020.48
8.2.150.0040.00424.18
8.2.140.0110.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00722.18
8.2.110.0110.00020.40
8.2.100.0070.00417.91
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0040.00718.03
8.2.50.0050.00318.07
8.2.40.0030.00718.03
8.2.30.0070.00019.33
8.2.20.0000.00717.83
8.2.10.0050.00318.08
8.2.00.0050.00317.82
8.1.280.0110.00425.92
8.1.270.0040.00423.90
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.84
8.1.230.0030.00919.21
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0070.00317.22
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0050.00222.03
8.1.150.0030.00618.90
8.1.140.0040.00417.52
8.1.130.0000.00717.85
8.1.120.0040.00417.50
8.1.110.0040.00417.42
8.1.100.0040.00417.37
8.1.90.0000.00717.54
8.1.80.0000.00817.43
8.1.70.0000.00817.37
8.1.60.0030.00517.47
8.1.50.0030.00517.51
8.1.40.0030.00617.56
8.1.30.0040.00417.64
8.1.20.0040.00417.52
8.1.10.0040.00417.52
8.1.00.0030.00517.42
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0030.00318.40
8.0.270.0070.00017.36
8.0.260.0030.00317.18
8.0.250.0000.00717.03
8.0.240.0080.00317.02
8.0.230.0000.00817.06
8.0.220.0020.00516.98
8.0.210.0070.00016.94
8.0.200.0060.00017.00
8.0.190.0040.00417.02
8.0.180.0070.00016.95
8.0.170.0030.00516.88
8.0.160.0000.00816.80
8.0.150.0050.00216.91
8.0.140.0040.00416.86
8.0.130.0050.00013.42
8.0.120.0060.00316.85
8.0.110.0030.00516.84
8.0.100.0000.00716.83
8.0.90.0040.00416.79
8.0.80.0070.01316.95
8.0.70.0000.00816.94
8.0.60.0080.00016.99
8.0.50.0040.00416.80
8.0.30.0140.00917.09
8.0.20.0110.01017.40
8.0.10.0050.00317.07
8.0.00.0050.01316.78
7.4.330.0000.00515.00
7.4.320.0060.00016.54
7.4.300.0030.00316.53
7.4.290.0040.00416.47
7.4.280.0090.00316.64
7.4.270.0030.00316.52
7.4.260.0070.00016.63
7.4.250.0050.00316.56
7.4.240.0040.00316.67
7.4.230.0000.00716.65
7.4.220.0070.01316.58
7.4.210.0030.01016.69
7.4.200.0040.00416.40
7.4.160.0070.01016.62
7.4.150.0110.00817.40
7.4.140.0120.00717.86
7.4.130.0090.00716.53
7.4.120.0060.01116.48
7.4.110.0090.00916.54
7.4.100.0110.01116.52
7.4.90.0140.00716.63
7.4.80.0060.01619.39
7.4.70.0040.01416.61
7.4.60.0080.00816.46
7.4.50.0080.00016.47
7.4.40.0070.01016.52
7.4.30.0100.00716.58
7.4.00.0090.00314.71
7.3.330.0000.00613.21
7.3.320.0070.00013.38
7.3.310.0000.00616.29
7.3.300.0050.00216.40
7.3.290.0030.01016.36
7.3.280.0070.00816.35
7.3.270.0110.01417.40
7.3.260.0080.00916.51
7.3.250.0090.01216.56
7.3.240.0100.00916.29
7.3.230.0130.00316.39
7.3.210.0130.00316.63
7.3.200.0100.01319.39
7.3.190.0110.00716.44
7.3.180.0030.01416.35
7.3.170.0090.00916.58
7.3.160.0130.01016.42
7.2.330.0110.00716.81
7.2.320.0120.00616.54
7.2.310.0130.01016.57
7.2.300.0030.01516.79
7.2.290.0110.00516.57
7.1.200.0060.00315.98
7.1.70.0050.00217.27
7.1.60.0100.01319.61
7.1.50.0130.01017.01
7.1.00.0000.08022.48
7.0.200.0110.00016.79
7.0.140.0000.07722.00
7.0.60.0000.05320.06
7.0.50.0030.05718.01
7.0.40.0170.08020.30
7.0.30.0270.07320.20
7.0.20.0200.04020.26
7.0.10.0170.07320.33
7.0.00.0100.03720.06
5.6.210.0070.08720.48
5.6.200.0030.09018.16
5.6.190.0070.04720.35
5.6.180.0170.05720.55
5.6.170.0200.04020.50
5.6.160.0200.06720.52
5.6.150.0030.04018.25
5.6.140.0100.08018.18
5.6.130.0070.04018.24
5.6.120.0030.08720.98
5.6.110.0070.07721.00
5.6.100.0030.04721.05
5.6.90.0030.08321.04
5.6.80.0130.07020.38
5.6.70.4400.03720.49
5.5.350.0030.07720.48
5.5.340.0030.04317.98
5.5.330.0070.08720.58
5.5.320.0230.08020.29
5.5.310.0230.04320.32
5.5.300.0100.07717.92
5.5.290.0100.04318.04
5.5.280.0100.06020.90
5.5.270.0130.04020.77
5.5.260.0100.08320.87
5.5.250.0000.04720.57
5.5.240.0070.04020.09
5.4.450.0730.04319.28
5.4.440.0200.05019.57
5.4.430.0570.04319.52
5.4.420.0600.04019.29
5.4.410.0200.04719.52
5.4.400.0270.03319.17
5.4.390.0170.05719.00
5.4.380.0300.05318.84
5.4.370.0470.06318.86
5.4.360.0270.07018.79
5.4.350.0330.05018.79
5.4.340.0330.06018.59
5.4.320.0040.03812.50
5.4.310.0090.03412.50
5.4.300.0060.03612.50
5.4.290.0060.03712.50
5.4.280.0050.03612.40
5.4.270.0060.03612.40
5.4.260.0070.04212.40
5.4.250.0070.04112.40
5.4.240.0030.03912.39
5.4.230.0050.03712.39
5.4.220.0080.04112.39
5.4.210.0030.04012.39
5.4.200.0040.03812.39
5.4.190.0020.03912.39
5.4.180.0050.03712.38
5.4.170.0080.03412.40
5.4.160.0050.04012.39
5.4.150.0060.03912.39
5.4.140.0030.04612.07
5.4.130.0060.03512.06
5.4.120.0060.03612.02
5.4.110.0070.04412.01
5.4.100.0070.03312.01
5.4.90.0030.03912.01
5.4.80.0060.03712.01
5.4.70.0070.03312.01
5.4.60.0110.02912.01
5.4.50.0040.03612.01
5.4.40.0050.03511.99
5.4.30.0070.03811.99
5.4.20.0050.03511.99
5.4.10.0060.03411.99
5.4.00.0070.04211.48
5.3.290.0090.04012.80
5.3.280.0070.03612.70
5.3.270.0090.04112.72
5.3.260.0070.05512.72
5.3.250.0060.05012.72
5.3.240.0060.04112.72
5.3.230.0050.03912.71
5.3.220.0050.03712.68
5.3.210.0070.03712.68
5.3.200.0060.03612.68
5.3.190.0080.03512.68
5.3.180.0070.03512.67
5.3.170.0050.03812.67
5.3.160.0050.03812.67
5.3.150.0040.03912.67
5.3.140.0040.03812.66
5.3.130.0070.03912.66
5.3.120.0060.04112.66
5.3.110.0040.04612.65
5.3.100.0040.03712.13
5.3.90.0070.04212.10
5.3.80.0070.03512.10
5.3.70.0070.03512.10
5.3.60.0040.03812.08
5.3.50.0120.03012.03
5.3.40.0060.03812.03
5.3.30.0070.03411.98
5.3.20.0040.03711.77
5.3.10.0020.03811.73
5.3.00.0030.03911.72
5.2.170.0050.0309.23
5.2.160.0050.0309.23
5.2.150.0040.0319.23
5.2.140.0040.0329.22
5.2.130.0050.0279.19
5.2.120.0030.0299.19
5.2.110.0020.0319.18
5.2.100.0050.0279.18
5.2.90.0070.0319.18
5.2.80.0040.0319.18
5.2.70.0050.0319.18
5.2.60.0040.0309.14
5.2.50.0070.0279.11
5.2.40.0080.0249.08
5.2.30.0060.0339.05
5.2.20.0040.0289.04
5.2.10.0040.0288.95
5.2.00.0050.0288.81
5.1.60.0070.0308.09
5.1.50.0070.0228.09
5.1.40.0060.0228.07
5.1.30.0070.0228.42
5.1.20.0040.0268.45
5.1.10.0040.0258.17
5.1.00.0040.0258.17
5.0.50.0020.0266.66
5.0.40.0030.0216.52
5.0.30.0020.0316.33
5.0.20.0050.0216.29
5.0.10.0040.0206.28
5.0.00.0030.0366.27
4.4.90.0020.0184.78
4.4.80.0030.0144.76
4.4.70.0020.0164.75
4.4.60.0040.0144.75
4.4.50.0050.0154.77
4.4.40.0050.0244.71
4.4.30.0030.0214.76
4.4.20.0020.0184.84
4.4.10.0040.0224.84
4.4.00.0010.0264.76
4.3.110.0010.0174.67
4.3.100.0050.0124.67
4.3.90.0010.0164.64
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0010.0163.31
4.3.20.0030.0143.29
4.3.10.0040.0133.25
4.3.00.0000.02016.72

preferences:
43.56 ms | 401 KiB | 5 Q