3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array('bar' => 'baz'); var_dump($foo['bar']); var_dump(isset($foo->bar));

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)
8.3.40.0070.01118.67
8.3.30.0070.00719.07
8.3.20.0070.00020.21
8.3.10.0040.00423.64
8.3.00.0040.00420.89
8.2.170.0070.00722.96
8.2.160.0060.00620.35
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0180.00026.16
8.2.120.0000.00819.48
8.2.110.0060.00322.10
8.2.100.0040.00817.72
8.2.90.0060.00319.08
8.2.80.0040.00417.97
8.2.70.0030.00717.63
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0000.00819.83
8.2.30.0040.00418.19
8.2.20.0040.00417.56
8.2.10.0040.00417.94
8.2.00.0040.00417.52
8.1.270.0050.00323.98
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.79
8.1.230.0090.00319.01
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0080.00317.35
8.1.190.0050.00317.00
8.1.180.0040.00418.10
8.1.170.0060.00318.33
8.1.160.0000.00921.99
8.1.150.0000.00818.57
8.1.140.0000.00717.28
8.1.130.0020.00519.59
8.1.120.0050.00317.25
8.1.110.0040.00417.37
8.1.100.0040.00417.43
8.1.90.0040.00417.28
8.1.80.0040.00317.38
8.1.70.0000.00717.27
8.1.60.0060.00317.58
8.1.50.0000.00817.49
8.1.40.0090.00017.48
8.1.30.0040.00417.48
8.1.20.0040.00417.61
8.1.10.0040.00417.45
8.1.00.0000.00717.35
8.0.300.0020.00518.77
8.0.290.0000.00716.63
8.0.280.0000.00818.31
8.0.270.0030.00317.20
8.0.260.0030.00317.15
8.0.250.0000.00816.79
8.0.240.0060.00316.89
8.0.230.0030.00316.79
8.0.220.0000.00616.81
8.0.210.0000.00716.84
8.0.200.0040.00416.86
8.0.190.0040.00416.93
8.0.180.0040.00416.85
8.0.170.0060.00316.80
8.0.160.0000.00716.81
8.0.150.0000.00816.80
8.0.140.0040.00416.85
8.0.130.0000.00513.25
8.0.120.0050.00316.68
8.0.110.0040.00416.72
8.0.100.0070.00016.81
8.0.90.0030.00316.76
8.0.80.0120.00316.86
8.0.70.0040.00416.73
8.0.60.0050.00216.86
8.0.50.0040.00416.93
8.0.30.0110.01017.16
8.0.20.0140.00817.40
8.0.10.0040.00417.05
8.0.00.0130.00816.71
7.4.330.0000.00515.08
7.4.320.0030.00316.44
7.4.300.0030.00316.38
7.4.290.0070.00016.43
7.4.280.0060.00016.52
7.4.270.0040.00416.54
7.4.260.0000.00716.32
7.4.250.0000.00716.39
7.4.240.0030.00316.52
7.4.230.0000.00716.64
7.4.220.0120.00616.47
7.4.210.0100.00316.55
7.4.200.0070.00016.51
7.4.160.0120.00416.57
7.4.150.0100.01317.40
7.4.140.0160.00517.86
7.4.130.0090.00816.56
7.4.120.0100.00716.45
7.4.110.0070.01016.52
7.4.100.0090.01316.49
7.4.90.0070.01016.43
7.4.80.0110.00919.39
7.4.70.0070.01016.50
7.4.60.0080.00816.42
7.4.50.0060.00316.13
7.4.40.0070.01016.28
7.4.30.0100.00616.64
7.4.00.0060.00614.81
7.3.330.0060.00013.01
7.3.320.0000.00512.96
7.3.310.0060.00316.36
7.3.300.0040.00416.20
7.3.290.0090.00916.20
7.3.280.0100.00816.19
7.3.270.0140.00417.40
7.3.260.0100.00716.30
7.3.250.0130.00916.28
7.3.240.0090.01216.45
7.3.230.0060.01016.52
7.3.210.0070.01316.17
7.3.200.0200.00319.39
7.3.190.0060.00916.22
7.3.180.0100.00716.50
7.3.170.0030.01216.33
7.3.160.0120.00916.40
7.3.120.0070.00714.79
7.3.110.0030.01415.08
7.3.100.0030.01014.58
7.3.90.0090.00914.50
7.3.80.0040.01114.64
7.3.70.0070.01014.80
7.3.60.0060.00614.73
7.3.50.0080.00614.73
7.3.40.0090.00914.63
7.3.30.0000.01514.55
7.3.20.0070.00716.63
7.3.10.0060.00816.58
7.3.00.0040.00716.59
7.2.330.0120.00616.69
7.2.320.0100.00716.61
7.2.310.0070.01416.70
7.2.300.0110.00716.32
7.2.290.0170.00616.60
7.2.250.0140.00315.19
7.2.240.0100.00615.06
7.2.230.0070.01114.88
7.2.220.0080.00415.02
7.2.210.0070.00714.96
7.2.200.0150.00314.83
7.2.190.0070.00314.96
7.2.180.0070.00715.04
7.2.170.0000.01715.09
7.2.130.0060.00617.00
7.2.120.0030.01017.00
7.2.110.0030.00516.97
7.2.100.0030.01216.75
7.2.90.0070.00416.67
7.2.80.0040.01116.80
7.2.70.0050.00516.58
7.2.60.0090.00416.93
7.2.50.0030.01016.80
7.2.40.0030.00617.05
7.2.30.0120.00017.02
7.2.20.0040.00817.00
7.2.10.0030.00617.02
7.2.00.0080.00718.20
7.1.330.0040.00815.82
7.1.320.0070.00715.57
7.1.310.0030.01015.66
7.1.300.0040.01215.65
7.1.290.0030.01515.72
7.1.280.0000.01115.85
7.1.270.0030.00915.68
7.1.260.0080.00815.67
7.1.250.0090.00315.64
7.1.200.0070.00715.82
7.1.100.0080.00418.17
7.1.70.0000.01216.81
7.1.60.0120.00619.70
7.1.50.0150.00316.82
7.1.00.0030.07722.36
7.0.200.0000.00716.72
7.0.140.0000.07322.16
7.0.100.0130.06719.96
7.0.90.0330.08319.86
7.0.80.0370.08019.96
7.0.70.0270.08019.87
7.0.60.0000.08719.97
7.0.50.0370.04720.38
7.0.40.0070.08320.00
7.0.30.0070.06320.09
7.0.20.0030.06319.99
7.0.10.0170.03020.14
7.0.00.0070.08320.16
5.6.280.0030.07321.14
5.6.250.0100.07720.63
5.6.240.0030.08020.61
5.6.230.0230.07320.75
5.6.220.0070.06720.71
5.6.210.0170.07320.75
5.6.200.0130.07721.05
5.6.190.0070.06320.95
5.6.180.0130.06320.99
5.6.170.0070.07321.04
5.6.160.0030.06021.01
5.6.150.0030.08020.96
5.6.140.0070.07020.96
5.6.130.0070.05321.04
5.6.120.0100.08321.08
5.6.110.0070.08021.07
5.6.100.0100.07321.04
5.6.90.0030.08020.87
5.6.80.0030.08720.52
5.6.70.0070.07720.43
5.6.60.0100.08720.32
5.6.50.0030.08720.43
5.6.40.0100.05320.41
5.6.30.0000.05020.30
5.6.20.0070.06020.43
5.6.10.0130.06720.48
5.6.00.0070.05720.42
5.5.380.0170.07720.36
5.5.370.0170.07320.39
5.5.360.0030.05320.33
5.5.350.0070.06720.41
5.5.340.0100.08020.92
5.5.330.0100.08020.90
5.5.320.0130.04320.82
5.5.310.0070.07320.89
5.5.300.0100.07720.83
5.5.290.0030.07020.88
5.5.280.0070.07720.80
5.5.270.0000.08720.63
5.5.260.0070.08720.85
5.5.250.0100.06320.61
5.5.240.0070.07320.23
5.5.230.0070.04020.25
5.5.220.0130.05720.14
5.5.210.0130.07320.15
5.5.200.0100.07720.09
5.5.190.0100.07320.27
5.5.180.0000.09320.21
5.5.160.0070.07020.25
5.5.150.0030.07720.11
5.5.140.0130.07320.23
5.5.130.0030.08020.22
5.5.120.0070.07720.22
5.5.110.0100.07320.25
5.5.100.0170.03720.07
5.5.90.0070.05720.07
5.5.80.0130.05720.16
5.5.70.0070.07720.14
5.5.60.0100.07720.00
5.5.50.0130.05720.14
5.5.40.0100.07020.15
5.5.30.0130.06020.05
5.5.20.0070.07320.09
5.5.10.0070.07320.12
5.5.00.0130.07320.13
5.4.450.0070.06319.45
5.4.440.0000.08319.29
5.4.430.0170.03719.30
5.4.420.0100.07019.13
5.4.410.0130.06319.23
5.4.400.0070.07719.14
5.4.390.0030.08318.92
5.4.380.0070.07319.08
5.4.370.0030.04719.13
5.4.360.0070.04319.03
5.4.350.0130.07019.04
5.4.340.0130.06018.97
5.4.320.0070.07319.14
5.4.310.0030.04719.07
5.4.300.0070.06019.04
5.4.290.0070.07318.98
5.4.280.0030.05319.13
5.4.270.0170.06319.03
5.4.260.0130.03719.13
5.4.250.0070.04318.95
5.4.240.0070.07318.94
5.4.230.0100.06718.78
5.4.220.0070.04719.08
5.4.210.0030.08019.09
5.4.200.0200.06319.07
5.4.190.0100.07718.80
5.4.180.0000.07318.99
5.4.170.0130.03718.97
5.4.160.0070.06719.21
5.4.150.0100.06318.95
5.4.140.0030.08316.33
5.4.130.0030.07316.33
5.4.120.0030.05316.28
5.4.110.0130.05716.43
5.4.100.0130.06016.21
5.4.90.0070.07316.26
5.4.80.0000.08016.41
5.4.70.0100.07316.43
5.4.60.0100.06016.31
5.4.50.0170.06016.41
5.4.40.0000.04716.45
5.4.30.0030.07716.38
5.4.20.0130.05016.40
5.4.10.0070.05316.31
5.4.00.0070.06315.44
5.3.290.0030.08014.64
5.3.280.0030.07014.45
5.3.270.0070.04014.42
5.3.260.0000.08014.46
5.3.250.0030.06714.61
5.3.240.0130.06714.46
5.3.230.0130.07014.45
5.3.220.0000.04014.42
5.3.210.0130.06014.56
5.3.200.0070.07714.42
5.3.190.0030.07314.48
5.3.180.0100.05314.52
5.3.170.0030.08014.55
5.3.160.0070.09014.47
5.3.150.0100.04714.52
5.3.140.0070.07314.49
5.3.130.0070.07714.55
5.3.120.0100.07014.48
5.3.110.0070.04714.49
5.3.100.0130.07014.04
5.3.90.0130.06014.01
5.3.80.0100.06314.01
5.3.70.0030.06713.99
5.3.60.0000.06713.87
5.3.50.0100.07313.96
5.3.40.0130.03713.93
5.3.30.0030.04013.66
5.3.20.0030.07313.60
5.3.10.0200.05713.65
5.3.00.0070.05713.62
5.2.170.0070.06311.20
5.2.160.0070.05311.14
5.2.150.0070.05010.93
5.2.140.0070.06011.06
5.2.130.0100.02711.12
5.2.120.0070.04011.05
5.2.110.0030.06311.06
5.2.100.0030.06011.01
5.2.90.0000.03311.06
5.2.80.0170.05311.05
5.2.70.0000.05711.11
5.2.60.0030.05711.04
5.2.50.0070.06311.07
5.2.40.0030.06010.87
5.2.30.0070.06010.79
5.2.20.0030.06710.98
5.2.10.0070.05710.89
5.2.00.0000.06710.77
5.1.60.0070.05310.02
5.1.50.0000.0479.97
5.1.40.0100.05010.01
5.1.30.0100.05010.40
5.1.20.0100.04010.35
5.1.10.0100.02310.10
5.1.00.0030.05710.06
5.0.50.0070.0308.54
5.0.40.0070.0308.43
5.0.30.0000.0638.25
5.0.20.0070.0408.18
5.0.10.0030.0378.27
5.0.00.0000.0508.14
4.4.90.0030.0337.64
4.4.80.0070.0277.64
4.4.70.0030.0277.64
4.4.60.0070.0277.64
4.4.50.0000.0207.64
4.4.40.0000.0577.64
4.4.30.0030.0337.64
4.4.20.0030.0337.64
4.4.10.0000.0337.64
4.4.00.0070.0437.64
4.3.110.0070.0377.64
4.3.100.0000.0307.64
4.3.90.0000.0277.64
4.3.80.0000.0537.64
4.3.70.0000.0207.64
4.3.60.0030.0207.64
4.3.50.0000.0377.64
4.3.40.0000.0437.64
4.3.30.0070.0337.64
4.3.20.0030.0277.64
4.3.10.0000.0207.64
4.3.00.0030.0337.64

preferences:
45.93 ms | 400 KiB | 5 Q