3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' => 1); echo (isset($arr['b']));

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)
8.3.40.0000.01518.85
8.3.30.0000.01420.21
8.3.20.0040.00420.16
8.3.10.0030.00921.92
8.3.00.0080.00022.34
8.2.170.0090.00622.96
8.2.160.0140.00722.25
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0100.00726.16
8.2.120.0040.00420.64
8.2.110.0060.00322.20
8.2.100.0080.00417.91
8.2.90.0000.00719.17
8.2.80.0000.00719.16
8.2.70.0030.00517.75
8.2.60.0030.00518.05
8.2.50.0030.00618.07
8.2.40.0000.00820.07
8.2.30.0070.00019.48
8.2.20.0000.00817.59
8.2.10.0040.00417.49
8.2.00.0000.00717.61
8.1.270.0080.00423.99
8.1.260.0070.00726.35
8.1.250.0000.01428.09
8.1.240.0090.00023.99
8.1.230.0040.00819.16
8.1.220.0050.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0000.00817.30
8.1.180.0000.00818.89
8.1.170.0080.00018.52
8.1.160.0070.00318.86
8.1.150.0030.00618.52
8.1.140.0040.00417.31
8.1.130.0040.00417.73
8.1.120.0040.00417.35
8.1.110.0040.00417.30
8.1.100.0070.00017.33
8.1.90.0070.00017.41
8.1.80.0030.00317.36
8.1.70.0030.00317.33
8.1.60.0030.00617.52
8.1.50.0040.00417.48
8.1.40.0030.00517.43
8.1.30.0030.00617.59
8.1.20.0040.00417.44
8.1.10.0000.00817.48
8.1.00.0080.00417.49
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0030.00518.35
8.0.270.0000.00817.25
8.0.260.0070.00016.70
8.0.250.0000.00616.84
8.0.240.0060.00316.89
8.0.230.0000.00716.86
8.0.220.0030.00316.81
8.0.210.0000.00716.77
8.0.200.0000.00616.87
8.0.190.0100.00016.74
8.0.180.0070.00016.73
8.0.170.0050.00216.74
8.0.160.0080.00016.81
8.0.150.0030.00316.78
8.0.140.0050.00316.77
8.0.130.0030.00313.23
8.0.120.0070.00016.68
8.0.110.0000.00716.84
8.0.100.0030.00416.65
8.0.90.0030.00316.72
8.0.80.0090.00616.85
8.0.70.0040.00416.77
8.0.60.0040.00416.65
8.0.50.0000.00716.60
8.0.30.0140.00516.98
8.0.20.0110.00717.40
8.0.10.0040.00416.95
8.0.00.0130.00516.79
7.4.330.0000.00615.00
7.4.320.0050.00216.38
7.4.300.0030.00316.44
7.4.290.0000.00816.52
7.4.280.0030.00316.51
7.4.270.0000.00716.43
7.4.260.0030.00313.21
7.4.250.0000.00716.40
7.4.240.0010.00616.44
7.4.230.0000.00716.24
7.4.220.0030.01916.51
7.4.210.0080.00916.53
7.4.200.0030.00316.47
7.4.190.0050.00216.50
7.4.160.0100.00516.40
7.4.150.0070.01017.40
7.4.140.0070.01017.86
7.4.130.0090.00916.43
7.4.120.0090.00716.39
7.4.110.0060.01516.31
7.4.100.0070.01616.38
7.4.90.0030.01416.44
7.4.80.0070.01419.39
7.4.70.0090.01216.30
7.4.60.0090.01216.29
7.4.50.0040.00416.34
7.4.40.0070.00722.77
7.4.30.0110.00816.46
7.4.00.0040.01114.81
7.3.330.0000.00512.93
7.3.320.0000.00513.13
7.3.310.0030.00316.18
7.3.300.0030.00316.10
7.3.290.0110.00416.24
7.3.280.0120.00516.18
7.3.270.0070.01017.40
7.3.260.0060.01216.37
7.3.250.0090.01016.35
7.3.240.0070.01016.13
7.3.230.0170.00016.39
7.3.210.0130.00316.25
7.3.200.0100.00919.39
7.3.190.0100.00716.27
7.3.180.0070.01016.25
7.3.170.0060.00916.43
7.3.160.0100.00616.24
7.3.120.0050.00714.69
7.3.110.0090.00614.59
7.3.100.0150.00314.81
7.3.90.0090.00914.48
7.3.80.0030.01014.70
7.3.70.0140.00314.67
7.3.60.0060.00614.48
7.3.50.0090.00614.66
7.3.40.0130.00314.77
7.3.30.0050.00414.45
7.3.20.0000.01516.50
7.3.10.0000.00916.78
7.3.00.0060.00616.37
7.2.330.0040.01316.61
7.2.320.0070.01016.17
7.2.310.0130.00316.55
7.2.300.0090.00616.21
7.2.290.0090.00616.48
7.2.250.0060.01015.14
7.2.240.0090.00614.90
7.2.230.0030.01015.08
7.2.220.0030.01114.40
7.2.210.0120.00314.73
7.2.200.0100.00715.09
7.2.190.0120.00314.95
7.2.180.0040.01114.68
7.2.170.0070.01014.65
7.2.130.0030.00716.79
7.2.120.0100.00316.84
7.2.110.0100.00016.83
7.2.100.0000.01316.64
7.2.90.0040.00716.56
7.2.80.0070.00716.94
7.2.70.0070.00716.69
7.2.60.0030.00716.95
7.2.50.0080.00816.72
7.2.40.0130.00016.70
7.2.30.0030.01216.69
7.2.20.0030.00616.82
7.2.10.0030.01016.71
7.2.00.0050.00818.01
7.1.330.0070.00715.79
7.1.320.0100.00315.48
7.1.310.0040.00815.61
7.1.300.0040.00715.57
7.1.290.0060.00315.62
7.1.280.0060.00315.56
7.1.270.0000.01215.51
7.1.260.0070.00615.57
7.1.250.0110.00415.79
7.1.240.0040.00815.42
7.1.230.0100.00715.53
7.1.220.0090.00615.50
7.1.210.0040.00715.46
7.1.200.0030.00615.77
7.1.190.0040.01115.67
7.1.180.0000.01215.47
7.1.170.0110.00415.48
7.1.160.0090.00015.63
7.1.150.0040.00815.84
7.1.140.0030.01015.51
7.1.130.0040.01015.77
7.1.120.0040.00715.64
7.1.110.0000.01215.42
7.1.100.0070.00616.73
7.1.90.0030.01015.51
7.1.80.0000.01115.70
7.1.70.0060.00316.38
7.1.60.0070.01317.46
7.1.50.0030.01416.14
7.1.40.0030.00915.59
7.1.30.0130.00015.56
7.1.20.0100.00715.63
7.1.10.0070.01015.56
7.1.00.0030.02819.02
7.0.330.0040.00415.18
7.0.320.0040.00415.28
7.0.310.0060.00615.29
7.0.300.0000.01315.29
7.0.290.0030.00915.50
7.0.280.0030.00915.41
7.0.270.0100.00315.32
7.0.260.0060.00315.21
7.0.250.0030.01015.01
7.0.240.0000.01215.28
7.0.230.0110.00314.98
7.0.220.0030.00715.43
7.0.210.0070.00715.42
7.0.200.0060.00316.04
7.0.190.0030.00615.09
7.0.180.0080.00415.49
7.0.170.0050.00515.22
7.0.160.0030.00915.09
7.0.150.0000.01414.99
7.0.140.0040.04218.83
7.0.130.0080.00315.19
7.0.120.0030.00615.39
7.0.110.0000.01015.37
7.0.100.0200.04517.56
7.0.90.0170.04517.35
7.0.80.0230.04017.57
7.0.70.0180.04517.54
7.0.60.0150.03717.65
7.0.50.0150.04217.72
7.0.40.0060.04516.68
7.0.30.0080.02316.61
7.0.20.0020.03616.72
7.0.10.0050.05116.70
7.0.00.0120.03416.63
5.6.380.0070.00714.57
5.6.370.0080.00614.50
5.6.360.0080.00814.35
5.6.350.0060.00314.55
5.6.340.0040.01114.10
5.6.330.0070.00714.42
5.6.320.0060.00614.01
5.6.310.0040.01114.42
5.6.300.0070.01014.23
5.6.290.0110.00414.56
5.6.280.0100.03317.72
5.6.270.0090.00314.19
5.6.260.0030.00914.21
5.6.250.0050.03717.46
5.6.240.0050.03217.54
5.6.230.0050.04717.44
5.6.220.0000.05017.39
5.6.210.0050.04717.32
5.6.200.0100.03017.62
5.6.190.0120.03917.52
5.6.180.0030.04517.46
5.6.170.0030.04317.70
5.6.160.0050.04717.67
5.6.150.0120.03717.65
5.6.140.0070.04417.77
5.6.130.0050.02917.48
5.6.120.0030.05117.63
5.6.110.0000.04917.65
5.6.100.0100.04317.63
5.6.90.0070.03017.61
5.6.80.0010.04417.18
5.6.70.0080.03917.31
5.6.60.0080.04217.32
5.6.50.0050.02717.27
5.6.40.0100.04117.37
5.6.30.0100.02617.20
5.6.20.0090.04017.23
5.6.10.0080.03817.21
5.6.00.0050.04817.36
5.5.380.0070.04315.99
5.5.370.0030.03215.93
5.5.360.0030.04615.99
5.5.350.0050.04516.00
5.5.340.0070.03816.21
5.5.330.0060.04216.21
5.5.320.0080.03816.09
5.5.310.0050.04216.18
5.5.300.0050.04016.18
5.5.290.0060.04316.22
5.5.280.0110.04216.14
5.5.270.0100.04216.20
5.5.260.0070.04516.11
5.5.250.0070.04216.10
5.5.240.0120.02015.92
5.5.230.0050.04015.89
5.5.220.0070.04415.87
5.5.210.0030.04515.87
5.5.200.0050.04315.77
5.5.190.0120.03315.84
5.5.180.0020.04415.91
5.5.170.0030.00711.60
5.5.160.0050.04315.90
5.5.150.0100.04115.83
5.5.140.0020.05015.89
5.5.130.0110.03515.85
5.5.120.0030.03615.89
5.5.110.0020.04315.89
5.5.100.0080.03315.86
5.5.90.0000.04415.80
5.5.80.0070.02715.82
5.5.70.0060.04215.83
5.5.60.0120.03315.82
5.5.50.0030.04415.82
5.5.40.0050.04415.85
5.5.30.0050.04615.85
5.5.20.0050.04315.81
5.5.10.0080.04115.79
5.5.00.0070.04015.76
5.4.450.0060.03815.45
5.4.440.0020.04415.51
5.4.430.0070.04215.51
5.4.420.0030.04215.49
5.4.410.0010.02615.39
5.4.400.0030.04215.20
5.4.390.0080.04315.29
5.4.380.0060.03815.25
5.4.370.0130.03215.31
5.4.360.0070.03715.18
5.4.350.0070.04215.38
5.4.340.0050.04015.33
5.4.330.0100.00311.60
5.4.320.0120.03715.29
5.4.310.0050.03615.36
5.4.300.0030.04515.37
5.4.290.0020.04115.32
5.4.280.0080.02715.33
5.4.270.0050.04115.33
5.4.260.0090.02115.27
5.4.250.0080.02915.32
5.4.240.0070.03815.29
5.4.230.0060.03815.20
5.4.220.0110.03715.32
5.4.210.0020.03715.37
5.4.200.0120.03515.33
5.4.190.0050.03615.27
5.4.180.0030.03915.20
5.4.170.0070.04215.41
5.4.160.0110.02015.18
5.4.150.0130.03315.30
5.4.140.0050.04113.91
5.4.130.0100.03513.94
5.4.120.0040.04013.91
5.4.110.0050.03013.97
5.4.100.0050.02513.90
5.4.90.0090.03613.96
5.4.80.0070.03514.01
5.4.70.0050.03913.91
5.4.60.0080.02513.97
5.4.50.0100.03513.89
5.4.40.0030.03313.92
5.4.30.0070.02513.92
5.4.20.0050.04113.96
5.4.10.0050.04513.89
5.4.00.0060.03613.69
5.3.290.0110.04213.06
5.3.280.0070.03913.08
5.3.270.0070.03713.10
5.3.260.0070.03913.03
5.3.250.0020.04013.02
5.3.240.0050.03713.10
5.3.230.0090.03813.09
5.3.220.0110.03213.08
5.3.210.0100.03313.08
5.3.200.0020.04213.06
5.3.190.0050.03913.08
5.3.180.0120.02813.06
5.3.170.0030.03513.07
5.3.160.0050.04212.99
5.3.150.0050.03713.08
5.3.140.0070.04413.07
5.3.130.0080.03313.04
5.3.120.0090.02913.00
5.3.110.0080.03313.00
5.3.100.0070.03712.77
5.3.90.0070.02312.74
5.3.80.0050.04012.74
5.3.70.0020.03812.80
5.3.60.0060.03912.78
5.3.50.0050.04012.76
5.3.40.0080.03712.77
5.3.30.0070.03512.75
5.3.20.0070.03612.60
5.3.10.0020.04112.62
5.3.00.0030.03812.51
5.2.170.0030.03011.30
5.2.160.0020.03211.28
5.2.150.0070.03111.35
5.2.140.0060.02311.30
5.2.130.0040.03511.34
5.2.120.0020.03411.39
5.2.110.0090.02911.34
5.2.100.0050.03211.38
5.2.90.0000.03511.27
5.2.80.0030.02311.26
5.2.70.0080.02911.28
5.2.60.0060.03111.30
5.2.50.0070.03511.27
5.2.40.0050.03311.19
5.2.30.0050.03211.21
5.2.20.0050.03311.22
5.2.10.0060.02811.23
5.2.00.0050.01811.18
5.1.60.0030.02710.81
5.1.50.0080.02710.80
5.1.40.0030.01810.80
5.1.30.0000.02610.94
5.1.20.0020.03311.02
5.1.10.0050.02710.85
5.1.00.0050.02610.84
5.0.50.0010.02610.07
5.0.40.0070.02010.03
5.0.30.0020.0309.82
5.0.20.0030.0239.90
5.0.10.0020.0239.88
5.0.00.0020.0309.87
4.4.90.0020.0189.80
4.4.80.0010.0219.80
4.4.70.0050.0159.80
4.4.60.0050.0179.80
4.4.50.0000.0229.80
4.4.40.0030.0279.80
4.4.30.0020.0189.80
4.4.20.0040.0189.80
4.4.10.0030.0179.80
4.4.00.0000.0309.80
4.3.110.0000.0219.80
4.3.100.0040.0209.80
4.3.90.0030.0159.81
4.3.80.0020.0289.81
4.3.70.0020.0199.81
4.3.60.0050.0169.81
4.3.50.0030.0109.81
4.3.40.0050.0259.81
4.3.30.0020.0199.81
4.3.20.0000.0209.81
4.3.10.0070.0159.81
4.3.00.0030.0149.81

preferences:
47.81 ms | 400 KiB | 5 Q