3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = 'key'; $data = array('key' => 0); var_dump(isset($data[$name]));

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)
8.3.70.0070.01416.58
8.3.60.0080.00618.18
8.3.50.0150.00522.00
8.3.40.0040.01118.85
8.3.30.0110.00319.04
8.3.20.0080.00020.07
8.3.10.0030.00522.03
8.3.00.0040.00422.46
8.2.180.0060.00916.75
8.2.170.0100.00522.96
8.2.160.0150.00020.93
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00319.23
8.2.110.0030.00622.17
8.2.100.0060.00617.78
8.2.90.0000.00819.22
8.2.80.0030.00517.97
8.2.70.0070.00317.63
8.2.60.0000.00917.93
8.2.50.0060.00318.07
8.2.40.0050.00318.28
8.2.30.0000.00718.05
8.2.20.0040.00417.50
8.2.10.0000.00917.50
8.2.00.0000.00917.63
8.1.280.0070.01425.92
8.1.270.0080.00023.91
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0030.00623.92
8.1.230.0110.00019.22
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0080.00417.35
8.1.190.0000.00817.41
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0040.00321.95
8.1.150.0070.00018.52
8.1.140.0080.00017.42
8.1.130.0000.00717.81
8.1.120.0040.00417.43
8.1.110.0040.00417.34
8.1.100.0070.00017.38
8.1.90.0040.00417.36
8.1.80.0050.00217.29
8.1.70.0050.00317.35
8.1.60.0040.00417.53
8.1.50.0000.00817.43
8.1.40.0050.00217.44
8.1.30.0000.00817.62
8.1.20.0030.00517.55
8.1.10.0030.00517.51
8.1.00.0040.00417.34
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0000.01018.28
8.0.270.0000.00717.18
8.0.260.0030.00516.66
8.0.250.0030.00316.91
8.0.240.0000.00716.86
8.0.230.0000.00716.90
8.0.220.0030.00316.78
8.0.210.0050.00316.75
8.0.200.0000.00716.86
8.0.190.0040.00416.88
8.0.180.0050.00316.82
8.0.170.0030.00616.81
8.0.160.0040.00416.77
8.0.150.0030.00516.73
8.0.140.0040.00416.68
8.0.130.0000.00713.20
8.0.120.0000.00816.82
8.0.110.0070.00016.83
8.0.100.0000.00816.66
8.0.90.0000.00816.79
8.0.80.0160.00716.77
8.0.70.0040.00416.81
8.0.60.0000.00716.84
8.0.50.0040.00416.80
8.0.30.0050.01716.90
8.0.20.0100.01017.40
8.0.10.0040.00417.00
8.0.00.0050.01416.59
7.4.330.0050.00015.00
7.4.320.0000.00716.44
7.4.300.0030.00316.43
7.4.290.0070.00016.47
7.4.280.0000.00716.52
7.4.270.0000.00716.56
7.4.260.0000.00716.43
7.4.250.0040.00416.34
7.4.240.0070.00016.41
7.4.230.0000.00716.27
7.4.220.0060.01216.61
7.4.210.0110.00816.50
7.4.200.0070.00016.33
7.4.190.0000.00716.38
7.4.160.0100.00716.38
7.4.150.0030.01717.40
7.4.140.0120.00617.86
7.4.130.0090.00916.48
7.4.120.0130.00616.45
7.4.110.0100.00716.45
7.4.100.0070.01116.43
7.4.90.0030.01416.30
7.4.80.0090.00919.39
7.4.70.0030.01216.32
7.4.60.0040.01216.34
7.4.50.0050.00016.48
7.4.40.0070.01022.77
7.4.30.0070.01016.23
7.4.00.0070.01014.82
7.3.330.0000.00512.98
7.3.320.0030.00313.11
7.3.310.0070.00016.25
7.3.300.0070.00016.18
7.3.290.0110.00916.18
7.3.280.0080.00916.19
7.3.270.0090.00917.40
7.3.260.0120.01216.62
7.3.250.0110.01216.22
7.3.240.0160.00016.30
7.3.230.0100.00616.39
7.3.210.0100.01016.47
7.3.200.0130.00419.39
7.3.190.0180.00316.17
7.3.180.0100.00616.21
7.3.170.0110.00516.42
7.3.160.0120.00616.58
7.3.120.0100.00514.68
7.3.110.0050.01314.80
7.3.100.0070.00714.48
7.3.90.0070.01114.62
7.3.80.0060.00814.57
7.3.70.0050.00714.49
7.3.60.0070.00614.69
7.3.50.0080.00714.63
7.3.40.0040.00714.60
7.3.30.0060.00514.64
7.3.20.0050.00816.39
7.3.10.0100.00516.62
7.3.00.0050.01016.36
7.2.330.0080.00816.51
7.2.320.0000.01816.36
7.2.310.0100.00716.53
7.2.300.0150.00616.61
7.2.290.0050.01116.46
7.2.250.0070.01214.93
7.2.240.0080.00914.84
7.2.230.0100.00514.99
7.2.220.0040.01014.88
7.2.210.0060.00814.92
7.2.200.0020.01214.88
7.2.190.0040.01214.96
7.2.180.0040.01014.82
7.2.170.0050.00914.87
7.2.60.0160.00016.77
7.2.00.0030.01019.16
7.1.330.0050.01015.76
7.1.320.0000.01215.67
7.1.310.0050.00815.61
7.1.300.0090.00515.66
7.1.290.0040.01115.43
7.1.280.0070.00615.63
7.1.270.0030.01115.44
7.1.260.0060.00515.56
7.1.200.0060.00915.51
7.1.100.0070.00717.96
7.1.70.0050.00316.59
7.1.60.0070.01419.82
7.1.50.0070.00316.89
7.1.00.0030.07722.48
7.0.200.0080.00816.73
7.0.140.0100.06722.04
7.0.60.0030.07720.05
7.0.50.0000.08717.66
7.0.40.0070.08020.20
7.0.30.0270.08320.21
7.0.20.0330.07320.17
7.0.10.0200.08320.21
7.0.00.0100.08720.04
5.6.280.0130.06320.98
5.6.210.0070.08020.67
5.6.200.0070.08018.08
5.6.190.0070.04720.64
5.6.180.0030.04020.35
5.6.170.0300.07320.60
5.6.160.0070.04320.46
5.6.150.0030.04318.15
5.6.140.0100.03718.18
5.6.130.0070.05018.12
5.6.120.0030.08321.03
5.6.110.0100.08020.96
5.6.100.0130.07720.96
5.6.90.0070.08320.95
5.6.80.0030.04020.36
5.6.70.0270.07720.38
5.5.350.0070.05720.43
5.5.340.0030.08317.98
5.5.330.0130.08020.21
5.5.320.0230.06020.32
5.5.310.0300.07320.30
5.5.300.0100.06317.92
5.5.290.0000.07317.98
5.5.280.0070.07720.79
5.5.270.0100.04720.88
5.5.260.0070.06720.86
5.5.250.0000.04320.70
5.5.240.0000.06020.22
5.4.450.0800.05019.45
5.4.440.0370.07319.10
5.4.430.0130.05019.63
5.4.420.0000.07019.29
5.4.410.0130.05718.84
5.4.400.0200.05318.69
5.4.390.0230.05018.63
5.4.380.0130.05718.74
5.4.370.0070.04018.56
5.4.360.0030.04718.64
5.4.350.0050.03711.97
5.4.340.0050.03511.97
5.4.320.0060.03612.45
5.4.310.0090.03412.45
5.4.300.0050.03712.45
5.4.290.0070.03612.45
5.4.280.0040.03812.31
5.4.270.0030.03812.32
5.4.260.0060.03712.31
5.4.250.0040.04312.31
5.4.240.0070.03612.31
5.4.230.0080.03512.30
5.4.220.0110.03312.30
5.4.210.0050.03612.30
5.4.200.0030.04112.30
5.4.190.0040.03812.30
5.4.180.0060.03912.30
5.4.170.0070.03512.31
5.4.160.0090.03512.31
5.4.150.0090.03212.30
5.4.140.0050.03711.98
5.4.130.0060.03611.98
5.4.120.0020.04411.93
5.4.110.0070.03711.93
5.4.100.0050.03611.93
5.4.90.0040.04011.93
5.4.80.0060.03611.93
5.4.70.0010.03811.92
5.4.60.0050.03411.93
5.4.50.0070.03211.93
5.4.40.0060.03411.91
5.4.30.0070.03411.91
5.4.20.0060.03711.91
5.4.10.0070.03511.91
5.4.00.0080.03711.40
5.3.290.0040.04112.80
5.3.280.0060.03912.71
5.3.270.0050.04012.73
5.3.260.0070.03812.72
5.3.250.0060.03712.72
5.3.240.0080.03512.72
5.3.230.0070.03612.70
5.3.220.0060.03712.68
5.3.210.0070.03612.68
5.3.200.0070.03412.68
5.3.190.0050.03912.68
5.3.180.0050.03812.67
5.3.170.0100.03212.67
5.3.160.0030.03912.67
5.3.150.0080.04312.67
5.3.140.0080.03612.66
5.3.130.0070.03912.66
5.3.120.0090.04412.66
5.3.110.0090.03612.66
5.3.100.0080.03412.12
5.3.90.0040.03812.08
5.3.80.0070.03712.07
5.3.70.0050.03812.08
5.3.60.0080.04112.06
5.3.50.0050.03712.00
5.3.40.0060.03812.00
5.3.30.0030.03811.93
5.3.20.0050.03911.70
5.3.10.0090.04111.65
5.3.00.0050.04111.64
5.2.170.0020.0349.14
5.2.160.0130.0359.15
5.2.150.0080.0289.14
5.2.140.0070.0379.14
5.2.130.0040.0399.11
5.2.120.0060.0339.11
5.2.110.0030.0319.11
5.2.100.0050.0289.11
5.2.90.0080.0269.11
5.2.80.0020.0349.10
5.2.70.0070.0289.10
5.2.60.0030.0349.05
5.2.50.0030.0309.02
5.2.40.0030.0298.99
5.2.30.0050.0318.98
5.2.20.0040.0298.96
5.2.10.0020.0308.89
5.2.00.0060.0278.75
5.1.60.0050.0238.03
5.1.50.0040.0258.04
5.1.40.0030.0298.02
5.1.30.0070.0228.37
5.1.20.0030.0278.39
5.1.10.0050.0298.11
5.1.00.0040.0268.11
5.0.50.0030.0266.59
5.0.40.0040.0196.45
5.0.30.0030.0386.27
5.0.20.0050.0186.24
5.0.10.0020.0216.21
5.0.00.0040.0306.21
4.4.90.0000.0184.78
4.4.80.0050.0134.75
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0020.0174.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0040.0264.76
4.3.110.0040.0154.66
4.3.100.0060.0194.67
4.3.90.0020.0154.63
4.3.80.0040.0234.59
4.3.70.0020.0154.63
4.3.60.0030.0174.62
4.3.50.0060.0144.63
4.3.40.0010.0254.53
4.3.30.0020.0163.27
4.3.20.0020.0163.25
4.3.10.0060.0123.22
4.3.00.0170.0207.35

preferences:
42.88 ms | 401 KiB | 5 Q