3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "foobar"; var_dump(isset($str['value']));

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)
8.3.60.0170.00316.63
8.3.50.0070.00921.89
8.3.40.0070.00718.45
8.3.30.0140.00018.93
8.3.20.0040.00420.32
8.3.10.0000.00723.69
8.3.00.0040.00422.37
8.2.180.0040.01118.54
8.2.170.0100.01022.96
8.2.160.0140.00020.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0110.00419.96
8.2.110.0070.00321.09
8.2.100.0080.00417.78
8.2.90.0040.00417.84
8.2.80.0050.00317.97
8.2.70.0050.00318.05
8.2.60.0040.00418.22
8.2.50.0050.00318.10
8.2.40.0030.00521.02
8.2.30.0030.00618.11
8.2.20.0040.00417.71
8.2.10.0000.00717.52
8.2.00.0000.00817.52
8.1.280.0100.00325.92
8.1.270.0040.00423.81
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0050.00322.14
8.1.230.0110.00022.81
8.1.220.0000.00717.74
8.1.210.0030.00618.77
8.1.200.0030.00617.23
8.1.190.0030.00517.22
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0000.00921.93
8.1.150.0040.00418.57
8.1.140.0070.00017.38
8.1.130.0040.00417.70
8.1.120.0000.00717.30
8.1.110.0040.00417.29
8.1.100.0030.00317.34
8.1.90.0030.00517.38
8.1.80.0000.00717.34
8.1.70.0030.00317.20
8.1.60.0060.00317.49
8.1.50.0000.00817.38
8.1.40.0050.00217.44
8.1.30.0080.00017.51
8.1.20.0070.00017.56
8.1.10.0060.00317.54
8.1.00.0080.00017.41
8.0.300.0040.00420.07
8.0.290.0060.00316.58
8.0.280.0040.00418.38
8.0.270.0070.00017.19
8.0.260.0000.00720.00
8.0.250.0040.00416.79
8.0.240.0040.00416.88
8.0.230.0000.00716.85
8.0.220.0020.00516.78
8.0.210.0000.00716.86
8.0.200.0030.00316.77
8.0.190.0040.00416.84
8.0.180.0030.00716.87
8.0.170.0030.00516.82
8.0.160.0000.00716.78
8.0.150.0050.00216.66
8.0.140.0070.00016.68
8.0.130.0000.00613.21
8.0.120.0030.00516.81
8.0.110.0070.00016.87
8.0.100.0070.00016.80
8.0.90.0000.00716.88
8.0.80.0120.00916.74
8.0.70.0000.00816.73
8.0.60.0030.00516.84
8.0.50.0070.00016.76
8.0.30.0100.00917.17
8.0.20.0120.00717.40
8.0.10.0030.00516.90
8.0.00.0060.01216.62
7.4.330.0050.00015.00
7.4.320.0080.00016.44
7.4.300.0060.00016.44
7.4.290.0040.00416.33
7.4.280.0030.00316.42
7.4.270.0030.00316.40
7.4.260.0040.00416.47
7.4.250.0000.00716.25
7.4.240.0020.00516.42
7.4.230.0030.00316.43
7.4.220.0140.00316.32
7.4.210.0070.00916.49
7.4.200.0070.00016.40
7.4.190.0070.00016.41
7.4.160.0090.01416.17
7.4.150.0180.00017.40
7.4.140.0090.01117.86
7.4.130.0030.01316.54
7.4.120.0100.00916.28
7.4.110.0070.01016.30
7.4.100.0120.00616.40
7.4.90.0060.01616.39
7.4.80.0040.01319.39
7.4.70.0120.00616.26
7.4.60.0030.01216.59
7.4.50.0000.00415.99
7.4.40.0150.00322.77
7.4.30.0110.00416.46
7.4.00.0100.00715.10
7.3.330.0000.00612.94
7.3.320.0000.00613.05
7.3.310.0030.00316.26
7.3.300.0060.00016.21
7.3.290.0080.00616.25
7.3.280.0090.01216.19
7.3.270.0070.01017.40
7.3.260.0070.01016.15
7.3.250.0060.01416.39
7.3.240.0130.00316.52
7.3.230.0150.00816.39
7.3.210.0060.01116.15
7.3.200.0070.01119.39
7.3.190.0060.01216.53
7.3.180.0070.00816.06
7.3.170.0060.00916.27
7.3.160.0060.01316.13
7.3.120.0120.00014.39
7.2.330.0100.00716.53
7.2.320.0120.00616.50
7.2.310.0140.00316.40
7.2.300.0060.01216.22
7.2.290.0060.00916.35
7.2.60.0060.00616.72
7.2.00.0040.01119.40
7.1.200.0280.00615.49
7.1.100.0030.00917.83
7.1.70.0040.00416.80
7.1.60.0000.01419.29
7.1.50.0060.01816.62
7.1.00.0000.08022.52
7.0.200.0100.00316.36
7.0.140.0070.07022.09
7.0.60.0030.08019.91
7.0.50.0000.04317.90
7.0.40.0270.04720.12
7.0.30.0630.06020.30
7.0.20.0230.05720.09
7.0.10.0000.08720.13
7.0.00.0000.05720.12
5.6.280.0030.07320.82
5.6.210.0000.05720.50
5.6.200.0070.07718.11
5.6.190.0170.07020.45
5.6.180.0230.06020.63
5.6.170.0230.04320.40
5.6.160.0070.04320.49
5.6.150.0030.04318.11
5.6.140.0070.04018.21
5.6.130.0070.08018.11
5.6.120.0030.09320.99
5.6.110.0030.09320.96
5.6.100.0130.08020.88
5.6.90.0070.08720.95
5.6.80.0030.07720.55
5.6.70.4300.04320.36
5.5.350.0070.06720.36
5.5.340.0030.05018.02
5.5.330.0100.06020.21
5.5.320.0030.05320.13
5.5.310.0230.04320.41
5.5.300.0030.08717.98
5.5.290.0000.05017.97
5.5.280.0070.04320.89
5.5.270.0100.06320.73
5.5.260.0230.06720.87
5.5.250.0000.08320.57
5.5.240.0330.08020.25
5.4.450.0800.05719.49
5.4.440.1070.05319.61
5.4.430.0070.06019.50
5.4.420.0770.00019.63
5.4.410.0100.05718.96
5.4.400.0970.05318.52
5.4.390.0600.05718.70
5.4.380.0130.06018.70
5.4.370.0070.03718.77
5.4.360.0030.05718.66
5.4.350.0070.03811.97
5.4.340.0040.03711.96
5.4.320.0060.03712.45
5.4.310.0040.04012.45
5.4.300.0050.03712.45
5.4.290.0080.03512.45
5.4.280.0060.03512.34
5.4.270.0040.03712.34
5.4.260.0080.03412.34
5.4.250.0060.03812.35
5.4.240.0080.03412.35
5.4.230.0100.04912.34
5.4.220.0100.03112.34
5.4.210.0080.03412.34
5.4.200.0110.04712.32
5.4.190.0170.04312.31
5.4.180.0140.04412.31
5.4.170.0150.04512.33
5.4.160.0280.09312.32
5.4.150.0190.04012.31
5.4.140.0110.04612.00
5.4.130.0170.04111.99
5.4.120.0170.04111.95
5.4.110.0170.04211.94
5.4.100.0160.04411.94
5.4.90.0110.05011.94
5.4.80.0140.04711.94
5.4.70.0170.04111.93
5.4.60.0250.06611.93
5.4.50.0200.03611.94
5.4.40.0160.04111.93
5.4.30.0200.04411.92
5.4.20.0330.08511.93
5.4.10.0160.04111.93
5.4.00.0090.04611.41
5.3.290.0080.03612.80
5.3.280.0090.03912.71
5.3.270.0130.04712.72
5.3.260.0170.04312.72
5.3.250.0310.05912.72
5.3.240.0190.04212.72
5.3.230.0140.04812.71
5.3.220.0160.04412.68
5.3.210.0200.04312.68
5.3.200.0270.09412.68
5.3.190.0150.04712.68
5.3.180.0170.04212.67
5.3.170.0210.03812.67
5.3.160.0140.04512.67
5.3.150.0200.03912.68
5.3.140.0160.04312.66
5.3.130.0150.04512.66
5.3.120.0180.04212.66
5.3.110.0230.06812.66
5.3.100.0180.04312.12
5.3.90.0200.03812.09
5.3.80.0160.04412.07
5.3.70.0260.06712.08
5.3.60.0170.04412.07
5.3.50.0410.08512.00
5.3.40.0190.04212.00
5.3.30.0170.04311.94
5.3.20.0120.04911.71
5.3.10.0170.05011.67
5.3.00.0130.04711.65
5.2.170.0170.0319.15
5.2.160.0150.0319.16
5.2.150.0320.0769.16
5.2.140.0120.0349.15
5.2.130.0170.0299.12
5.2.120.0100.0379.12
5.2.110.0130.0349.13
5.2.100.0200.0579.12
5.2.90.0120.0359.12
5.2.80.0090.0379.11
5.2.70.0180.0299.10
5.2.60.0150.0319.06
5.2.50.0150.0359.04
5.2.40.0130.0349.01
5.2.30.0110.0358.98
5.2.20.0140.0338.97
5.2.10.0100.0388.89
5.2.00.0150.0308.75
5.1.60.0100.0298.04
5.1.50.0100.0308.04
5.1.40.0100.0298.03
5.1.30.0170.0258.37
5.1.20.0090.0338.40
5.1.10.0130.0298.11
5.1.00.0090.0328.11
5.0.50.0080.0256.59
5.0.40.0090.0226.45
5.0.30.0100.0346.27
5.0.20.0100.0226.24
5.0.10.0070.0246.21
5.0.00.0090.0356.21
4.4.90.0090.0154.78
4.4.80.0070.0184.75
4.4.70.0080.0184.76
4.4.60.0060.0194.76
4.4.50.0110.0144.77
4.4.40.0070.0284.71
4.4.30.0120.0134.76
4.4.20.0070.0184.84
4.4.10.0050.0204.85
4.4.00.0060.0294.76
4.3.110.0070.0184.67
4.3.100.0070.0204.67
4.3.90.0060.0204.63
4.3.80.0090.0264.58
4.3.70.0060.0184.63
4.3.60.0040.0204.62
4.3.50.0060.0194.63
4.3.40.0080.0274.54
4.3.30.0050.0193.27
4.3.20.0050.0193.26
4.3.10.0070.0173.23
4.3.00.0130.0234.44

preferences:
45.13 ms | 401 KiB | 5 Q