3v4l.org

run code in 300+ PHP versions simultaneously
<?php function bool2str($bool) { if ($bool === false) { return 'FALSE'; } else { return 'TRUE'; } } function compareObjects(&$o1, &$o2) { echo 'o1 == o2 : ' . bool2str($o1 == $o2) . "\n"; echo 'o1 != o2 : ' . bool2str($o1 != $o2) . "\n"; echo 'o1 === o2 : ' . bool2str($o1 === $o2) . "\n"; echo 'o1 !== o2 : ' . bool2str($o1 !== $o2) . "\n"; } class Flag { public $flag; function Flag($flag = true) { $this->flag = $flag; } } class OtherFlag { public $flag; function OtherFlag($flag = true) { $this->flag = $flag; } } $o = new Flag(); $p = new Flag(); $q = $o; $r = new OtherFlag(); echo "Two instances of the same class\n"; compareObjects($o, $p); echo "\nTwo references to the same instance\n"; compareObjects($o, $q); echo "\nInstances of two different classes\n"; compareObjects($o, $r);

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)
8.3.60.0120.00916.50
8.3.50.0140.00722.87
8.3.40.0100.01018.89
8.3.30.0120.00319.05
8.3.20.0040.00420.16
8.3.10.0050.00320.36
8.3.00.0040.00419.18
8.2.180.0030.01018.17
8.2.170.0110.00422.96
8.2.160.0140.00020.50
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0000.00726.16
8.2.120.0090.00319.36
8.2.110.0060.00320.52
8.2.100.0080.00317.72
8.2.90.0030.00519.17
8.2.80.0080.00017.97
8.2.70.0050.00517.38
8.2.60.0050.00318.04
8.2.50.0030.00618.07
8.2.40.0050.00218.09
8.2.30.0000.00721.27
8.2.20.0000.00817.74
8.2.10.0030.00518.12
8.2.00.0000.00717.59
8.1.280.0190.00325.92
8.1.270.0040.00422.09
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0060.00322.53
8.1.230.0060.00621.00
8.1.220.0060.00318.77
8.1.210.0000.00818.85
8.1.200.0090.00017.00
8.1.190.0000.00717.41
8.1.180.0040.00418.10
8.1.170.0000.00818.41
8.1.160.0040.00418.95
8.1.150.0000.00718.88
8.1.140.0030.00517.50
8.1.130.0000.00717.79
8.1.120.0050.00317.50
8.1.110.0040.00417.44
8.1.100.0040.00417.46
8.1.90.0000.00717.42
8.1.80.0000.00717.30
8.1.70.0030.00317.44
8.1.60.0000.00817.42
8.1.50.0030.00517.52
8.1.40.0070.00017.55
8.1.30.0060.00317.63
8.1.20.0040.00417.71
8.1.10.0040.00417.49
8.1.00.0030.00517.39
8.0.300.0000.00820.02
8.0.290.0040.00417.18
8.0.280.0030.00318.38
8.0.270.0030.00317.36
8.0.260.0000.00617.16
8.0.250.0030.00316.95
8.0.240.0000.00717.02
8.0.230.0030.00316.92
8.0.220.0030.00316.94
8.0.210.0030.00316.86
8.0.200.0060.00016.91
8.0.190.0050.00216.96
8.0.180.0040.00416.95
8.0.170.0050.00216.91
8.0.160.0020.00516.91
8.0.150.0070.00016.85
8.0.140.0080.00016.83
8.0.130.0030.00313.36
8.0.120.0080.00016.89
8.0.110.0030.00516.89
8.0.100.0040.00416.93
8.0.90.0050.00316.96
8.0.80.0080.01716.94
8.0.70.0050.00316.84
8.0.60.0000.00717.00
8.0.50.0040.00416.96
8.0.30.0090.01117.23
8.0.20.0070.01317.40
8.0.10.0040.00417.06
8.0.00.0140.00616.83
7.4.330.0050.00015.08
7.4.320.0060.00016.56
7.4.300.0070.00016.48
7.4.290.0070.00016.61
7.4.280.0000.00716.43
7.4.270.0030.00316.51
7.4.260.0000.00716.61
7.4.250.0060.00316.57
7.4.240.0020.00516.58
7.4.230.0000.00716.39
7.4.220.0070.01016.52
7.4.210.0060.01416.54
7.4.200.0000.00716.71
7.4.160.0080.00816.42
7.4.150.0160.01017.40
7.4.140.0120.00917.86
7.4.130.0120.00516.54
7.4.120.0090.00916.51
7.4.110.0110.01116.65
7.4.100.0000.01816.56
7.4.90.0100.00716.44
7.4.80.0140.00816.48
7.4.70.0080.00816.57
7.4.60.0140.00416.51
7.4.50.0000.00916.56
7.4.40.0070.01016.32
7.4.30.0130.01016.63
7.4.00.0050.01214.79
7.3.330.0030.00313.43
7.3.320.0050.00013.29
7.3.310.0080.00016.29
7.3.300.0030.00316.36
7.3.290.0080.00616.39
7.3.280.0100.00716.40
7.3.270.0070.01017.40
7.3.260.0120.00516.52
7.3.250.0110.00816.35
7.3.240.0090.00916.27
7.3.230.0080.00816.48
7.3.210.0060.01216.44
7.3.200.0090.00919.39
7.3.190.0100.00916.56
7.3.180.0080.00816.58
7.3.170.0060.01116.50
7.3.160.0100.00616.48
7.3.120.0080.00415.13
7.3.110.0060.01315.06
7.3.100.0060.00914.98
7.3.90.0030.01614.88
7.3.80.0140.00014.93
7.3.70.0090.00014.82
7.3.60.0060.00814.93
7.3.50.0000.01114.88
7.3.40.0030.00914.93
7.3.30.0000.01414.63
7.3.20.0000.01216.77
7.3.10.0030.01016.68
7.3.00.0060.00916.73
7.2.330.0100.00916.81
7.2.320.0070.01016.78
7.2.310.0140.00316.50
7.2.300.0190.00416.77
7.2.290.0170.00316.52
7.2.250.0130.00615.29
7.2.240.0070.01414.98
7.2.230.0030.01315.18
7.2.220.0060.00614.81
7.2.210.0100.00315.03
7.2.200.0000.01515.29
7.2.190.0000.01614.87
7.2.180.0000.00914.80
7.2.170.0000.01515.11
7.2.60.0000.01116.88
7.2.00.0040.00819.50
7.1.330.0080.00515.94
7.1.320.0110.00715.90
7.1.310.0100.00315.95
7.1.300.0030.00615.85
7.1.290.0030.01015.66
7.1.280.0100.00715.66
7.1.270.0000.01415.81
7.1.260.0080.00815.76
7.1.200.0070.00715.85
7.1.100.0060.00918.26
7.1.70.0000.00817.15
7.1.60.0130.01319.34
7.1.50.0070.01717.04
7.1.00.0030.07722.27
7.0.200.0000.00816.79
7.0.140.0030.04722.13
7.0.60.0070.05719.95
7.0.50.0070.04017.84
7.0.40.0030.07019.96
7.0.30.0130.05020.21
7.0.20.0300.03020.15
7.0.10.0130.06320.15
7.0.00.0130.07320.07
5.6.280.0000.07721.17
5.6.210.0130.06720.52
5.6.200.0030.05018.19
5.6.190.0100.07020.51
5.6.180.0330.07020.50
5.6.170.0230.04320.39
5.6.160.0070.05320.54
5.6.150.0030.08318.15
5.6.140.0130.08018.16
5.6.130.0070.08018.15
5.6.120.0070.07721.06
5.6.110.0170.05021.05
5.6.100.0230.06720.99
5.6.90.0100.08320.99
5.6.80.0100.08020.41
5.6.70.2870.03720.47
5.5.350.0030.07020.53
5.5.340.0070.07718.04
5.5.330.0070.04320.21
5.5.320.0470.07020.31
5.5.310.0200.05020.34
5.5.300.0030.04017.94
5.5.290.0030.04018.04
5.5.280.0000.04320.89
5.5.270.0070.04020.68
5.5.260.0000.06020.69
5.5.250.0130.08020.71
5.5.240.0230.07720.17
5.4.450.0230.04019.32
5.4.440.0470.03719.31
5.4.430.0170.04319.63
5.4.420.0170.05019.53
5.4.410.0100.06019.45
5.4.400.0100.06719.07
5.4.390.0100.05019.13
5.4.380.0130.05319.07
5.4.370.0130.05019.24
5.4.360.0170.05318.98
5.4.350.0100.04312.03
5.4.340.0130.07212.02
5.4.320.0070.05212.52
5.4.310.0090.04612.51
5.4.300.0070.04812.52
5.4.290.0150.06512.51
5.4.280.0090.04612.41
5.4.270.0100.06312.41
5.4.260.0090.04112.41
5.4.250.0050.04012.41
5.4.240.0100.04312.41
5.4.230.0080.05212.40
5.4.220.0080.04012.41
5.4.210.0070.03712.40
5.4.200.0070.04812.40
5.4.190.0150.07312.40
5.4.180.0060.05012.40
5.4.170.0090.05912.41
5.4.160.0070.05212.40
5.4.150.0110.04212.40
5.4.140.0110.04212.08
5.4.130.0110.04112.07
5.4.120.0090.03212.03
5.4.110.0050.03712.02
5.4.100.0060.03812.02
5.4.90.0070.04112.02
5.4.80.0060.03812.02
5.4.70.0060.03612.02
5.4.60.0060.03512.02
5.4.50.0080.03612.02
5.4.40.0040.04512.01
5.4.30.0070.04012.00
5.4.20.0080.03912.00
5.4.10.0070.03612.00
5.4.00.0090.03311.49
5.3.290.0080.04412.80
5.3.280.0060.04212.71
5.3.270.0060.04412.73
5.3.260.0080.03812.72
5.3.250.0100.03412.72
5.3.240.0050.04112.72
5.3.230.0050.03912.71
5.3.220.0080.04012.68
5.3.210.0050.04412.68
5.3.200.0080.03512.68
5.3.190.0070.05312.68
5.3.180.0030.04512.68
5.3.170.0110.04112.67
5.3.160.0070.05712.68
5.3.150.0100.05212.67
5.3.140.0050.04112.66
5.3.130.0100.03712.66
5.3.120.0110.03812.66
5.3.110.0060.04012.65
5.3.100.0060.03812.13
5.3.90.0070.04012.11
5.3.80.0070.03712.10
5.3.70.0080.03812.10
5.3.60.0060.04012.08
5.3.50.0100.03812.04
5.3.40.0100.03912.03
5.3.30.0090.03812.00
5.3.20.0090.04111.77
5.3.10.0120.04111.74
5.3.00.0030.04311.72
5.2.170.0090.0339.23
5.2.160.0100.0299.23
5.2.150.0050.0329.23
5.2.140.0070.0319.23
5.2.130.0040.0319.18
5.2.120.0070.0279.18
5.2.110.0100.0309.19
5.2.100.0080.0379.19
5.2.90.0040.0309.18
5.2.80.0070.0389.19
5.2.70.0050.0319.18
5.2.60.0050.0319.14
5.2.50.0090.0289.11
5.2.40.0120.0339.08
5.2.30.0070.0389.06
5.2.20.0050.0349.05
5.2.10.0080.0288.95
5.2.00.0060.0328.82
5.1.60.0050.0268.10
5.1.50.0060.0288.09
5.1.40.0060.0298.08
5.1.30.0040.0288.43
5.1.20.0060.0308.45
5.1.10.0060.0328.17
5.1.00.0050.0268.17
5.0.50.0060.0196.65
5.0.40.0050.0186.51
5.0.30.0010.0356.33
5.0.20.0020.0246.29
5.0.10.0030.0236.27
5.0.00.0030.0336.27
4.4.90.0060.0174.78
4.4.80.0020.0164.75
4.4.70.0020.0184.75
4.4.60.0020.0174.76
4.4.50.0010.0184.77
4.4.40.0030.0314.71
4.4.30.0050.0144.76
4.4.20.0030.0164.85
4.4.10.0040.0164.85
4.4.00.0070.0254.76
4.3.110.0000.0194.67
4.3.100.0040.0154.67
4.3.90.0030.0174.64
4.3.80.0020.0284.58
4.3.70.0050.0164.63
4.3.60.0050.0154.63
4.3.50.0030.0194.63
4.3.40.0030.0274.53
4.3.30.0030.0173.31
4.3.20.0020.0193.29
4.3.10.0050.0153.25
4.3.00.0030.01713.38

preferences:
63.18 ms | 401 KiB | 5 Q