3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($a['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)
8.3.40.0110.00418.85
8.3.30.0130.00020.17
8.3.20.0070.00020.04
8.3.10.0000.00720.84
8.3.00.0040.00422.39
8.2.170.0100.01022.96
8.2.160.0090.00618.65
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00020.80
8.2.110.0100.00020.78
8.2.100.0080.00417.71
8.2.90.0050.00319.05
8.2.80.0060.00317.97
8.2.70.0040.00417.38
8.2.60.0040.00417.93
8.2.50.0030.00518.07
8.2.40.0050.00318.03
8.2.30.0070.00019.32
8.2.20.0040.00417.46
8.2.10.0090.00017.60
8.2.00.0060.00317.72
8.1.270.0080.00023.99
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0030.00621.30
8.1.230.0090.00317.49
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0000.00917.10
8.1.180.0090.00018.10
8.1.170.0040.00418.47
8.1.160.0040.00418.74
8.1.150.0040.00418.44
8.1.140.0030.00517.37
8.1.130.0070.00017.91
8.1.120.0040.00417.33
8.1.110.0000.00717.39
8.1.100.0030.00517.22
8.1.90.0000.00717.25
8.1.80.0000.01117.34
8.1.70.0030.00317.20
8.1.60.0030.00617.52
8.1.50.0070.00017.41
8.1.40.0040.00417.23
8.1.30.0040.00417.37
8.1.20.0000.00817.50
8.1.10.0000.00917.46
8.1.00.0030.00617.32
8.0.300.0060.00318.77
8.0.290.0040.00416.58
8.0.280.0030.00318.19
8.0.270.0000.00717.00
8.0.260.0040.00416.62
8.0.250.0040.00716.82
8.0.240.0000.00816.83
8.0.230.0040.00416.70
8.0.220.0030.00316.80
8.0.210.0000.00716.72
8.0.200.0040.00416.79
8.0.190.0000.00716.77
8.0.180.0000.00816.67
8.0.170.0040.00416.70
8.0.160.0030.00316.75
8.0.150.0030.00316.72
8.0.140.0040.00716.71
8.0.130.0000.00513.22
8.0.120.0040.00416.62
8.0.110.0040.00416.73
8.0.100.0040.00416.65
8.0.90.0040.00416.64
8.0.80.0170.00316.71
8.0.70.0000.00816.63
8.0.60.0030.00516.82
8.0.50.0000.00716.59
8.0.30.0130.00516.90
8.0.20.0090.00917.40
8.0.10.0040.00416.91
8.0.00.0150.01816.58
7.4.330.0020.00216.84
7.4.320.0080.00016.34
7.4.300.0030.00316.46
7.4.290.0000.00716.47
7.4.280.0040.00416.44
7.4.270.0050.00316.36
7.4.260.0050.00013.13
7.4.250.0000.00716.36
7.4.240.0020.00516.43
7.4.230.0070.00016.45
7.4.220.0070.01316.46
7.4.210.0060.01116.44
7.4.200.0000.00716.28
7.4.190.0000.00716.43
7.4.160.0140.00916.22
7.4.150.0130.00917.40
7.4.140.0130.00717.86
7.4.130.0110.00616.33
7.4.120.0080.01016.42
7.4.110.0070.01016.29
7.4.100.0000.01716.39
7.4.90.0090.00916.56
7.4.80.0090.00919.39
7.4.70.0090.00716.29
7.4.60.0150.00316.27
7.4.50.0040.00416.32
7.4.40.0020.00922.77
7.4.30.0120.00616.41
7.4.00.0090.00714.58
7.3.330.0000.00513.09
7.3.320.0000.00513.02
7.3.310.0040.00416.24
7.3.300.0040.00416.05
7.3.290.0080.01116.17
7.3.280.0110.00716.23
7.3.270.0090.00917.40
7.3.260.0040.01218.24
7.3.250.0090.00816.25
7.3.240.0000.01616.44
7.3.230.0100.00716.39
7.3.210.0170.00316.45
7.3.200.0090.00919.39
7.3.190.0130.00316.30
7.3.180.0120.00916.07
7.3.170.0000.01516.45
7.3.160.0060.00916.35
7.3.120.0060.00914.79
7.3.110.0080.00614.65
7.3.100.0040.01114.59
7.3.90.0030.00614.70
7.3.80.0060.00914.85
7.3.70.0070.00714.70
7.3.60.0030.01114.79
7.3.50.0090.00014.55
7.3.40.0060.00614.42
7.3.30.0060.00314.78
7.3.20.0110.00416.32
7.3.10.0060.00616.59
7.3.00.0070.00716.20
7.2.330.0110.01216.54
7.2.320.0110.01216.28
7.2.310.0190.00316.29
7.2.300.0130.00316.34
7.2.290.0140.00716.27
7.2.250.0000.01214.87
7.2.240.0060.01214.71
7.2.230.0070.00714.88
7.2.220.0120.00414.86
7.2.210.0040.01114.87
7.2.200.0090.00614.98
7.2.190.0040.01414.82
7.2.180.0110.00015.00
7.2.170.0030.01214.82
7.2.00.0090.00919.12
7.1.330.0030.01215.61
7.1.320.0120.00315.63
7.1.310.0060.00915.74
7.1.300.0030.00615.61
7.1.290.0030.01015.71
7.1.280.0030.01015.79
7.1.270.0040.00815.54
7.1.260.0040.01415.65
7.1.100.0000.01417.77
7.1.70.0030.00717.01
7.1.60.0040.01119.17
7.1.50.0030.01416.77
7.1.00.0030.07322.27
7.0.200.0000.00916.66
7.0.140.0030.07321.92
7.0.100.0170.07319.98
7.0.90.0200.07019.88
7.0.80.0130.08019.93
7.0.70.0130.07720.01
7.0.60.0070.05019.94
7.0.50.0070.05720.26
7.0.40.0100.07320.04
7.0.30.0000.08320.11
7.0.20.0100.08020.15
7.0.10.0170.07020.18
7.0.00.0070.06320.09
5.6.280.0030.07321.14
5.6.250.0130.08020.72
5.6.240.0070.07320.63
5.6.230.0030.08720.53
5.6.220.0130.07720.61
5.6.210.0030.08320.67
5.6.200.0130.07321.04
5.6.190.0070.08321.03
5.6.180.0100.07721.07
5.6.170.0070.05021.17
5.6.160.0130.07021.17
5.6.150.0030.04321.11
5.6.140.0100.04721.16
5.6.130.0070.09321.04
5.6.120.0130.07320.95
5.6.110.0200.07320.92
5.6.100.0130.08321.04
5.6.90.0030.08720.91
5.6.80.0030.08320.34
5.6.70.0130.07020.32
5.6.60.0070.08020.44
5.6.50.0070.06720.41
5.6.40.0070.03320.30
5.6.30.0000.08720.30
5.6.20.0070.06320.35
5.6.10.0170.05720.48
5.6.00.0100.07020.39
5.5.380.0100.08720.43
5.5.370.0070.06720.41
5.5.360.0100.06720.53
5.5.350.0130.07320.37
5.5.340.0030.08020.80
5.5.330.0100.08020.73
5.5.320.0030.08720.86
5.5.310.0000.07320.88
5.5.300.0170.04320.91
5.5.290.0170.04020.73
5.5.280.0070.07020.79
5.5.270.0030.08320.84
5.5.260.0070.08020.71
5.5.250.0070.08320.61
5.5.240.0130.06720.30
5.5.230.0000.08720.24
5.5.220.0130.04320.26
5.5.210.0100.07720.20
5.5.200.0070.07720.11
5.5.190.0100.04320.27
5.5.180.0030.04020.12
5.5.160.0130.06720.17
5.5.150.0100.07320.14
5.5.140.0230.05719.97
5.5.130.0130.07720.16
5.5.120.0100.07720.21
5.5.110.0100.07320.13
5.5.100.0170.07020.07
5.5.90.0130.07320.04
5.5.80.0130.07020.03
5.5.70.0030.07720.12
5.5.60.0070.07719.99
5.5.50.0100.08020.13
5.5.40.0100.07320.02
5.5.30.0030.04320.11
5.5.20.0170.07020.10
5.5.10.0100.07320.03
5.5.00.0030.05720.12
5.4.450.0100.08719.27
5.4.440.0000.08319.43
5.4.430.0070.07319.35
5.4.420.0030.08719.11
5.4.410.0100.07019.16
5.4.400.0000.09319.06
5.4.390.0070.07319.02
5.4.380.0030.07319.23
5.4.370.0070.08718.81
5.4.360.0030.04719.07
5.4.350.0070.06718.96
5.4.340.0070.07719.03
5.4.320.0100.05318.97
5.4.310.0130.07019.15
5.4.300.0100.06318.98
5.4.290.0070.08018.92
5.4.280.0130.07718.89
5.4.270.0130.03719.13
5.4.260.0100.07319.03
5.4.250.0030.06719.23
5.4.240.0070.08019.00
5.4.230.0030.04019.06
5.4.220.0130.05719.14
5.4.210.0070.07319.08
5.4.200.0070.05018.96
5.4.190.0070.07018.97
5.4.180.0130.07319.07
5.4.170.0100.07018.97
5.4.160.0000.05018.76
5.4.150.0100.07319.09
5.4.140.0000.07016.34
5.4.130.0070.07016.36
5.4.120.0030.07316.34
5.4.110.0070.06716.33
5.4.100.0100.06016.36
5.4.90.0000.05016.31
5.4.80.0100.06716.39
5.4.70.0070.07716.29
5.4.60.0030.07316.39
5.4.50.0130.06716.18
5.4.40.0000.07716.29
5.4.30.0070.07716.18
5.4.20.0070.06316.30
5.4.10.0030.06316.30
5.4.00.0100.07015.74
5.3.290.0030.08014.52
5.3.280.0100.06314.55
5.3.270.0100.06714.61
5.3.260.0030.06714.56
5.3.250.0070.07314.59
5.3.240.0030.07314.55
5.3.230.0070.06314.57
5.3.220.0070.07314.41
5.3.210.0100.07014.53
5.3.200.0070.07314.55
5.3.190.0100.06314.55
5.3.180.0170.06714.55
5.3.170.0100.06314.43
5.3.160.0030.08014.56
5.3.150.0070.06014.42
5.3.140.0070.07314.41
5.3.130.0170.06714.51
5.3.120.0030.08014.55
5.3.110.0070.07014.41
5.3.100.0100.06314.12
5.3.90.0030.07014.12
5.3.80.0100.06314.12
5.3.70.0100.07014.12
5.3.60.0070.06314.12
5.3.50.0070.06714.12
5.3.40.0000.07714.12
5.3.30.0130.06314.12
5.3.20.0100.07314.12
5.3.10.0000.04314.12
5.3.00.0070.07014.12
5.2.170.0030.04314.12
5.2.160.0000.05714.12
5.2.150.0030.05714.12
5.2.140.0030.06014.12
5.2.130.0100.04714.12
5.2.120.0100.05714.12
5.2.110.0100.05014.12
5.2.100.0130.05014.12
5.2.90.0030.04314.12
5.2.80.0130.05314.12
5.2.70.0030.05714.12
5.2.60.0100.04714.12
5.2.50.0000.06314.12
5.2.40.0030.06014.12
5.2.30.0070.05714.12
5.2.20.0030.05714.12
5.2.10.0070.06014.12
5.2.00.0070.06314.12
5.1.60.0030.05314.12
5.1.50.0070.04714.12
5.1.40.0070.05014.12
5.1.30.0000.05714.12
5.1.20.0070.05014.12
5.1.10.0070.03714.12
5.1.00.0070.05014.12
5.0.50.0100.04314.12
5.0.40.0100.03314.12
5.0.30.0030.05014.12
5.0.20.0000.03714.12
5.0.10.0070.03014.12
5.0.00.0070.03714.12
4.4.90.0030.02014.12
4.4.80.0000.03014.12
4.4.70.0000.03314.12
4.4.60.0000.03714.12
4.4.50.0000.03314.12
4.4.40.0030.04714.12
4.4.30.0070.03014.12
4.4.20.0000.03714.12
4.4.10.0000.02314.12
4.4.00.0100.04314.12
4.3.110.0070.01314.12
4.3.100.0030.01714.12
4.3.90.0000.03314.12
4.3.80.0000.05314.12
4.3.70.0000.02014.12
4.3.60.0070.03014.12
4.3.50.0000.02014.12
4.3.40.0030.04714.12
4.3.30.0070.02714.12
4.3.20.0030.03314.12
4.3.10.0030.02314.12
4.3.00.0070.01314.12

preferences:
35.25 ms | 400 KiB | 5 Q