3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test(&$array) { $key = 'foo'; return isset($array[$key]); } $array = array( 'foo' => NULL, ); echo (string) test($array);

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)
8.3.60.0070.00716.48
8.3.50.0190.01121.21
8.3.40.0100.01018.90
8.3.30.0110.00419.22
8.3.20.0040.00420.28
8.3.10.0060.00323.69
8.3.00.0000.00819.17
8.2.180.0060.00916.38
8.2.170.0110.00322.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.03
8.2.110.0000.01022.08
8.2.100.0040.00817.91
8.2.90.0050.00219.36
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0030.00518.16
8.2.50.0040.00418.07
8.2.40.0000.00819.89
8.2.30.0100.00018.18
8.2.20.0000.00917.72
8.2.10.0070.00017.97
8.2.00.0000.00817.66
8.1.280.0040.01125.92
8.1.270.0000.00923.88
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00623.87
8.1.230.0000.01019.00
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0050.00317.23
8.1.180.0000.00918.10
8.1.170.0000.01218.45
8.1.160.0040.00422.00
8.1.150.0000.00718.60
8.1.140.0070.00017.32
8.1.130.0030.00317.82
8.1.120.0000.00717.39
8.1.110.0040.00417.41
8.1.100.0030.00417.38
8.1.90.0040.00417.53
8.1.80.0040.00417.50
8.1.70.0060.00017.44
8.1.60.0050.00317.54
8.1.50.0070.00317.50
8.1.40.0040.00417.50
8.1.30.0040.00417.47
8.1.20.0080.00017.54
8.1.10.0070.00017.45
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0050.00217.05
8.0.280.0080.00018.36
8.0.270.0000.00717.12
8.0.260.0030.00317.28
8.0.250.0070.00016.82
8.0.240.0000.00816.86
8.0.230.0000.00716.73
8.0.220.0000.00716.83
8.0.210.0000.00716.73
8.0.200.0000.00716.75
8.0.190.0020.00516.94
8.0.180.0080.00016.73
8.0.170.0000.00816.88
8.0.160.0070.00016.89
8.0.150.0080.00016.82
8.0.140.0050.00216.77
8.0.130.0030.00313.23
8.0.120.0040.00416.68
8.0.110.0030.00616.78
8.0.100.0080.00016.71
8.0.90.0030.00516.74
8.0.80.0120.00316.80
8.0.70.0080.00016.80
8.0.60.0040.00316.89
8.0.50.0070.00016.83
8.0.30.0080.01117.17
8.0.20.0160.00617.40
8.0.10.0030.00516.91
8.0.00.0160.00516.98
7.4.330.0000.00515.00
7.4.320.0040.00416.42
7.4.300.0060.00016.61
7.4.290.0030.00316.50
7.4.280.0040.00416.50
7.4.270.0030.00316.45
7.4.260.0030.00316.50
7.4.250.0040.00416.59
7.4.240.0020.00516.54
7.4.230.0000.00716.32
7.4.220.0120.00616.41
7.4.210.0080.00716.52
7.4.200.0000.00816.42
7.4.190.0030.00616.66
7.4.160.0060.00916.53
7.4.150.0100.01017.40
7.4.140.0120.00617.86
7.4.130.0110.00716.44
7.4.120.0090.00816.53
7.4.110.0100.00716.53
7.4.100.0150.00616.57
7.4.90.0110.00616.40
7.4.80.0130.01019.39
7.4.70.0120.00316.44
7.4.60.0090.00916.63
7.4.50.0040.00416.52
7.4.40.0040.01616.33
7.4.30.0060.00916.59
7.4.00.0030.01415.05
7.3.330.0030.00313.13
7.3.320.0020.00213.16
7.3.310.0000.00716.32
7.3.300.0060.00016.20
7.3.290.0100.00316.37
7.3.280.0100.00716.25
7.3.270.0100.00717.40
7.3.260.0110.00516.66
7.3.250.0080.00816.25
7.3.240.0100.00716.28
7.3.230.0130.00316.43
7.3.210.0070.01016.31
7.3.200.0130.00619.39
7.3.190.0130.00316.37
7.3.180.0060.01616.54
7.3.170.0120.00616.27
7.3.160.0130.00316.30
7.3.120.0110.00614.79
7.3.110.0070.01014.84
7.3.100.0060.00914.59
7.3.90.0000.01514.62
7.3.80.0030.01014.64
7.3.70.0070.00314.94
7.3.60.0150.00014.80
7.3.50.0060.00614.71
7.3.40.0030.00614.79
7.3.30.0110.00314.76
7.3.20.0040.01416.46
7.3.10.0070.01116.63
7.3.00.0030.00916.82
7.2.330.0060.01016.61
7.2.320.0080.01616.52
7.2.310.0170.00716.65
7.2.300.0080.01216.59
7.2.290.0110.00716.66
7.2.250.0140.00715.17
7.2.240.0100.01015.06
7.2.230.0000.01514.99
7.2.220.0000.01015.11
7.2.210.0090.00915.09
7.2.200.0070.01015.04
7.2.190.0030.00614.70
7.2.180.0040.01114.71
7.2.170.0070.00715.03
7.2.60.0070.00716.96
7.2.00.0000.01219.29
7.1.330.0070.01015.64
7.1.320.0100.00315.45
7.1.310.0060.00915.87
7.1.300.0000.01115.68
7.1.290.0000.01315.48
7.1.280.0030.01015.79
7.1.270.0000.01515.65
7.1.260.0090.00615.50
7.1.200.0030.01315.83
7.1.100.0040.00718.26
7.1.70.0030.01316.75
7.1.60.0130.01019.46
7.1.50.0030.00716.74
7.1.00.0070.07322.43
7.0.200.0040.00416.57
7.0.140.0000.07322.21
7.0.60.0070.03719.93
7.0.50.0100.07017.87
7.0.40.0100.05320.02
7.0.30.0270.04720.11
7.0.20.0400.05020.33
7.0.10.0070.06320.05
7.0.00.0130.08320.23
5.6.280.0170.06021.09
5.6.210.0030.08720.61
5.6.200.0070.07718.18
5.6.190.0070.07720.39
5.6.180.0030.05020.55
5.6.170.0200.07720.47
5.6.160.0030.04320.62
5.6.150.0030.08318.14
5.6.140.0030.06318.29
5.6.130.0100.08318.23
5.6.120.0130.08020.99
5.6.110.0130.07320.99
5.6.100.0130.04721.11
5.6.90.0100.04720.88
5.6.80.0200.07320.38
5.5.350.0000.09020.38
5.5.340.0230.06317.98
5.5.330.0070.04020.27
5.5.320.0400.07320.28
5.5.310.0200.08020.35
5.5.300.0070.05018.09
5.5.290.0170.07717.95
5.5.280.0170.05720.84
5.5.270.0100.07720.87
5.5.260.0100.05320.88
5.5.250.0030.04020.56
5.5.240.0100.07320.16
5.4.450.0800.06019.48
5.4.440.0800.06019.31
5.4.430.0230.05019.55
5.4.420.0170.05319.56
5.4.410.0300.07019.49
5.4.400.0330.04019.12
5.4.390.0230.06719.30
5.4.380.0170.06018.80
5.4.370.0070.06018.85
5.4.360.0130.05018.79
5.4.350.0230.04318.77
5.4.340.0200.04718.50
5.4.320.0110.03812.50
5.4.310.0080.03812.50
5.4.300.0030.04012.50
5.4.290.0120.05312.50
5.4.280.0120.06112.40
5.4.270.0070.05712.40
5.4.260.0130.08712.40
5.4.250.0080.07112.40
5.4.240.0070.05312.40
5.4.230.0100.06712.39
5.4.220.0060.05312.39
5.4.210.0100.04912.39
5.4.200.0080.07012.39
5.4.190.0070.04512.38
5.4.180.0070.05612.39
5.4.170.0070.05312.39
5.4.160.0060.04312.39
5.4.150.0100.05112.39
5.4.140.0060.05412.07
5.4.130.0100.04012.06
5.4.120.0030.03812.01
5.4.110.0070.03512.01
5.4.100.0060.03812.02
5.4.90.0050.04012.01
5.4.80.0050.04012.02
5.4.70.0080.04112.01
5.4.60.0080.05212.01
5.4.50.0070.05112.01
5.4.40.0090.04412.00
5.4.30.0080.04011.99
5.4.20.0050.04312.00
5.4.10.0040.03812.00
5.4.00.0080.04111.48
5.3.290.0040.04712.80
5.3.280.0080.03812.71
5.3.270.0090.04612.72
5.3.260.0140.05312.72
5.3.250.0090.05112.72
5.3.240.0070.05312.72
5.3.230.0120.05312.71
5.3.220.0100.07512.68
5.3.210.0060.04712.68
5.3.200.0080.05412.68
5.3.190.0070.05312.68
5.3.180.0150.06212.68
5.3.170.0120.06412.67
5.3.160.0200.07212.67
5.3.150.0150.07212.67
5.3.140.0070.04212.66
5.3.130.0030.04412.66
5.3.120.0090.03612.66
5.3.110.0070.04112.66
5.3.100.0020.04012.12
5.3.90.0060.03912.10
5.3.80.0070.04812.09
5.3.70.0090.05112.09
5.3.60.0110.04812.08
5.3.50.0060.05212.01
5.3.40.0130.05212.02
5.3.30.0100.05311.97
5.3.20.0070.05611.75
5.3.10.0090.03611.73
5.3.00.0060.04211.71
5.2.170.0050.0379.21
5.2.160.0120.0409.22
5.2.150.0060.0459.21
5.2.140.0040.0429.21
5.2.130.0060.0349.17
5.2.120.0070.0369.18
5.2.110.0070.0339.18
5.2.100.0070.0289.17
5.2.90.0030.0329.17
5.2.80.0070.0479.17
5.2.70.0050.0519.16
5.2.60.0050.0319.13
5.2.50.0040.0399.09
5.2.40.0050.0399.07
5.2.30.0020.0329.04
5.2.20.0080.0379.04
5.2.10.0050.0408.94
5.2.00.0030.0328.80
5.1.60.0060.0248.09
5.1.50.0030.0268.08
5.1.40.0060.0378.06
5.1.30.0040.0278.41
5.1.20.0050.0308.43
5.1.10.0080.0428.16
5.1.00.0040.0398.16
5.0.50.0050.0236.63
5.0.40.0050.0206.50
5.0.30.0010.0376.30
5.0.20.0060.0256.27
5.0.10.0030.0306.25
5.0.00.0030.0396.25
4.4.90.0060.0204.78
4.4.80.0020.0214.76
4.4.70.0010.0174.75
4.4.60.0050.0154.75
4.4.50.0010.0174.77
4.4.40.0020.0264.70
4.4.30.0030.0164.75
4.4.20.0030.0164.84
4.4.10.0020.0164.85
4.4.00.0020.0264.76
4.3.110.0020.0164.67
4.3.100.0030.0164.67
4.3.90.0020.0174.64
4.3.80.0030.0334.58
4.3.70.0020.0164.63
4.3.60.0040.0154.63
4.3.50.0030.0234.63
4.3.40.0050.0244.54
4.3.30.0020.0183.30
4.3.20.0020.0203.27
4.3.10.0030.0173.24
4.3.00.0100.0207.23

preferences:
36 ms | 401 KiB | 5 Q