3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array("a" => 5); $a = $c; echo !isset($a['d']['e']['f']); define(TEST, 1); define(TEST, 2); echo TEST; //$b = array('test', "deb"); //$c = array("sdf", "dsf"); //var_dump($a + $b); //class A { // protected $b = 5; //} //$a = new A(); //var_dump(json_decode(json_encode($a)));

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)
8.3.60.0070.01418.56
8.3.50.0120.00621.92
8.3.40.0140.00718.83
8.3.30.0110.00420.20
8.3.20.0070.01319.95
8.3.10.0030.00622.14
8.3.00.0070.00022.34
8.2.180.0210.00025.92
8.2.170.0030.01018.96
8.2.160.0070.01322.96
8.2.150.0090.00925.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.66
8.2.110.0090.00022.20
8.2.100.0080.00419.34
8.2.90.0120.00019.10
8.2.80.0070.00019.26
8.2.70.0060.00317.63
8.2.60.0050.00318.04
8.2.50.0090.00018.07
8.2.40.0040.00818.28
8.2.30.0070.00018.09
8.2.20.0000.00817.73
8.2.10.0040.00417.75
8.2.00.0030.00517.69
8.1.280.0090.00925.92
8.1.270.0080.00024.66
8.1.260.0160.00326.35
8.1.250.0080.00828.09
8.1.240.0040.00424.02
8.1.230.0110.00019.02
8.1.220.0080.00017.78
8.1.210.0030.00518.77
8.1.200.0100.00017.35
8.1.190.0040.00417.55
8.1.180.0090.00018.10
8.1.170.0030.00518.59
8.1.160.0050.00322.06
8.1.150.0000.00818.64
8.1.140.0050.00217.38
8.1.130.0000.00617.82
8.1.120.0030.00317.41
8.1.110.0000.00817.45
8.1.100.0000.00817.46
8.1.90.0030.00317.50
8.1.80.0040.00417.41
8.1.70.0040.00417.43
8.1.60.0030.00617.48
8.1.50.0080.00017.43
8.1.40.0040.00417.50
8.1.30.0030.00517.53
8.1.20.0030.00617.63
8.1.10.0070.00017.61
8.1.00.0000.00817.50
8.0.300.0070.00018.77
8.0.290.0070.00017.05
8.0.280.0040.00418.49
8.0.270.0080.00017.18
8.0.260.0050.00316.85
8.0.250.0030.00316.94
8.0.240.0000.00816.92
8.0.230.0000.00717.01
8.0.220.0040.00416.98
8.0.210.0000.00716.95
8.0.200.0040.00417.05
8.0.190.0000.00816.91
8.0.180.0040.00416.90
8.0.170.0000.00716.94
8.0.160.0000.00717.02
8.0.150.0000.00816.79
8.0.140.0000.00716.92
8.0.130.0000.00513.36
8.0.120.0000.00816.95
8.0.110.0070.00016.96
8.0.100.0030.00316.90
8.0.90.0080.00017.07
8.0.80.0030.01216.98
8.0.70.0000.00816.76
8.0.60.0000.00816.83
8.0.50.0040.00417.07
8.0.30.0110.01117.03
8.0.20.0120.00717.41
8.0.10.0000.00717.03
8.0.00.0110.01016.59
7.4.330.0040.00415.00
7.4.320.0000.00616.60
7.4.300.0030.00616.58
7.4.290.0000.00716.60
7.4.280.0070.00016.52
7.4.270.0000.00716.53
7.4.260.0030.00716.56
7.4.250.0070.00016.49
7.4.240.0040.00416.51
7.4.230.0070.00016.32
7.4.220.0060.01316.55
7.4.210.0060.00816.55
7.4.200.0030.00316.59
7.4.190.0000.00716.70
7.4.160.0130.00316.53
7.4.150.0140.00617.40
7.4.140.0050.01317.86
7.4.130.0060.01016.50
7.4.120.0120.00716.57
7.4.110.0080.00816.73
7.4.100.0130.00616.75
7.4.90.0070.01016.58
7.4.80.0060.01619.39
7.4.70.0080.00816.38
7.4.60.0060.00916.38
7.4.50.0040.00016.36
7.4.40.0090.00622.77
7.4.30.0000.01616.57
7.4.00.0100.00614.89
7.3.330.0000.00613.08
7.3.320.0030.00313.32
7.3.310.0070.00016.14
7.3.300.0070.00016.39
7.3.290.0100.01016.25
7.3.280.0080.00916.34
7.3.270.0090.00917.40
7.3.260.0110.00716.40
7.3.250.0070.01016.60
7.3.240.0090.00916.43
7.3.230.0060.01016.39
7.3.210.0100.00616.50
7.3.200.0040.01619.39
7.3.190.0070.01116.76
7.3.180.0070.01016.22
7.3.170.0080.00716.48
7.3.160.0100.01316.38
7.3.120.0000.01414.77
7.2.330.0040.02216.56
7.2.320.0200.00216.39
7.2.310.0070.01116.41
7.2.300.0110.00616.22
7.2.290.0130.00516.43
7.2.60.0100.00316.85
7.2.00.0030.01019.17
7.1.200.0220.00015.60
7.1.100.0060.00317.71
7.1.70.0030.00317.22
7.1.60.0070.01819.43
7.1.50.0090.01316.93
7.1.00.0000.05322.57
7.0.200.0040.00416.62
7.0.140.0170.06022.18
7.0.60.0130.06319.91
7.0.50.0030.04017.90
7.0.40.0170.08020.20
7.0.30.0330.07320.17
7.0.20.0330.07320.18
7.0.10.0200.08720.09
7.0.00.0000.04320.16
5.6.280.0070.06721.09
5.6.210.0070.03720.60
5.6.200.0030.05018.23
5.6.190.0030.09020.32
5.6.180.0370.07020.59
5.6.170.0430.06720.51
5.6.160.0030.04320.52
5.6.150.0130.05718.15
5.6.140.0030.07018.21
5.6.130.0200.07318.21
5.6.120.0100.04320.98
5.6.110.0100.07321.02
5.6.100.0130.08020.97
5.6.90.0070.08021.00
5.6.80.0100.07720.35
5.6.70.0170.03320.27
5.5.350.0100.05320.46
5.5.340.0130.06318.03
5.5.330.0170.07720.13
5.5.320.0300.07720.41
5.5.310.0300.07320.41
5.5.300.0130.06317.98
5.5.290.0000.04318.02
5.5.280.0030.09320.74
5.5.270.0170.04320.96
5.5.260.0030.06320.97
5.5.250.0070.08320.69
5.5.240.0030.05720.26
5.4.450.0730.05719.27
5.4.440.1030.07319.51
5.4.430.1370.06319.46
5.4.420.0700.05719.23
5.4.410.0230.05318.88
5.4.400.0370.04718.77
5.4.390.0300.05318.56
5.4.380.0230.05718.69
5.4.370.0230.05018.65
5.4.360.0200.04718.59
5.4.350.0050.03811.98
5.4.340.0090.03511.97
5.4.320.0070.03512.46
5.4.310.0100.03412.45
5.4.300.0040.03812.46
5.4.290.0070.04312.45
5.4.280.0090.03212.35
5.4.270.0020.03912.35
5.4.260.0040.03812.35
5.4.250.0080.03612.35
5.4.240.0100.07018.70
5.4.230.0070.07718.65
5.4.220.0130.06019.02
5.4.210.0100.05018.80
5.4.200.0070.07719.02
5.4.190.0130.06318.93
5.4.180.0100.07318.83
5.4.170.0130.04718.98
5.4.160.0070.07018.78
5.4.150.0030.05718.73
5.4.140.0070.05016.48
5.4.130.0100.06716.27
5.4.120.0070.05716.28
5.4.110.0130.06316.42
5.4.100.0070.06716.50
5.4.90.0130.05316.43
5.4.80.0030.06716.27
5.4.70.0200.06016.27
5.4.60.0100.05316.18
5.4.50.0070.05316.33
5.4.40.0070.07016.29
5.4.30.0100.04716.46
5.4.20.0170.06316.31
5.4.10.0200.04716.47
5.4.00.0130.06015.69
5.3.290.0020.04212.80
5.3.280.0100.06014.48
5.3.270.0230.06014.38
5.3.260.0270.05314.61
5.3.250.0070.06314.60
5.3.240.0100.06714.44
5.3.230.0100.05014.30
5.3.220.0170.04014.61
5.3.210.0100.06014.42
5.3.200.0070.05314.66
5.3.190.0070.07014.56
5.3.180.0070.06714.48
5.3.170.0170.04314.57
5.3.160.0100.05714.43
5.3.150.0170.06714.61
5.3.140.0070.06014.41
5.3.130.0100.07014.70
5.3.120.0130.06014.40
5.3.110.0100.07314.25
5.3.100.0130.05713.96
5.3.90.0170.04013.87
5.3.80.0130.05713.86
5.3.70.0100.06713.86
5.3.60.0100.06013.83
5.3.50.0130.06313.89
5.3.40.0070.05013.96
5.3.30.0100.05313.74
5.3.20.0100.06013.60
5.3.10.0200.05013.48
5.3.00.0200.04713.63
5.2.170.0070.06011.06
5.2.160.0070.03711.08
5.2.150.0030.05011.14
5.2.140.0030.04711.14
5.2.130.0130.03710.93
5.2.120.0070.03711.11
5.2.110.0070.04311.11
5.2.100.0100.05711.19
5.2.90.0100.05710.93
5.2.80.0170.04710.93
5.2.70.0070.04710.85
5.2.60.0100.04010.96
5.2.50.0030.05010.94
5.2.40.0000.05010.83
5.2.30.0070.04311.13
5.2.20.0000.05710.89
5.2.10.0000.04010.75
5.2.00.0030.05710.79
5.1.60.0030.0339.94
5.1.50.0130.0279.82
5.1.40.0170.0209.96
5.1.30.0000.03710.27
5.1.20.0130.02710.33
5.1.10.0070.03710.14
5.1.00.0070.03710.13
5.0.50.0170.0238.52
5.0.40.0000.0338.46
5.0.30.0030.0438.26
5.0.20.0070.0238.18
5.0.10.0070.0278.25
5.0.00.0030.0438.14
4.4.90.0000.0336.88
4.4.80.0070.0236.88
4.4.70.0100.0236.88
4.4.60.0070.0206.88
4.4.50.0000.0206.88
4.4.40.0030.0306.88
4.4.30.0000.0236.88
4.4.20.0030.0276.88
4.4.10.0070.0176.88
4.4.00.0070.0306.88
4.3.110.0030.0236.88
4.3.100.0000.0236.88
4.3.90.0030.0206.86
4.3.80.0000.0376.86
4.3.70.0030.0276.86
4.3.60.0000.0236.86
4.3.50.0000.0236.86
4.3.40.0070.0436.86
4.3.30.0030.0206.86
4.3.20.0030.0206.86
4.3.10.0030.0206.86
4.3.00.0000.0236.88

preferences:
55.16 ms | 401 KiB | 5 Q