3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($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)
8.3.70.0170.00316.63
8.3.60.0090.00618.30
8.3.50.0280.01021.14
8.3.40.0140.00018.54
8.3.30.0130.00020.25
8.3.20.0080.00020.04
8.3.10.0050.00321.02
8.3.00.0080.00022.43
8.2.180.0150.00018.29
8.2.170.0110.00422.96
8.2.160.0100.00722.12
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0080.00020.74
8.2.110.0070.00419.31
8.2.100.0120.00017.72
8.2.90.0080.00718.85
8.2.80.0080.00618.37
8.2.70.0120.00338.45
8.2.60.0130.00238.62
8.2.50.0100.00538.72
8.2.40.0120.00238.73
8.2.30.0080.00639.14
8.2.20.0070.00738.54
8.2.10.0100.00438.57
8.2.00.0080.00538.50
8.1.280.0040.01225.92
8.1.270.0050.00323.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0130.00022.24
8.1.230.0110.00020.96
8.1.220.0070.00518.77
8.1.210.0060.00719.76
8.1.200.0140.00338.44
8.1.190.0120.00438.49
8.1.180.0090.00538.73
8.1.170.0100.00538.82
8.1.160.0090.00538.94
8.1.150.0100.00438.86
8.1.140.0110.00438.47
8.1.130.0060.00938.63
8.1.120.0060.00838.44
8.1.110.0090.00538.45
8.1.100.0070.00738.48
8.1.90.0100.00438.48
8.1.80.0090.00638.47
8.1.70.0100.00438.46
8.1.60.0100.00538.53
8.1.50.0060.00838.51
8.1.40.0090.00638.47
8.1.30.0080.00638.54
8.1.20.0120.00438.50
8.1.10.0080.00738.51
8.1.00.0080.00638.48
8.0.300.0100.00419.29
8.0.290.0110.00338.38
8.0.280.0080.00638.82
8.0.270.0040.01038.38
8.0.260.0100.00338.28
8.0.250.0080.00538.31
8.0.240.0070.00738.29
8.0.230.0110.00438.28
8.0.220.0060.00938.23
8.0.210.0080.00738.27
8.0.200.0140.00238.27
8.0.190.0120.00338.28
8.0.180.0060.00738.26
8.0.170.0120.00338.29
8.0.160.0090.00538.30
8.0.150.0110.00438.27
8.0.140.0100.00638.28
8.0.130.0060.00737.10
8.0.120.0090.00538.25
8.0.110.0070.00638.25
8.0.100.0080.00638.30
8.0.90.0080.00438.29
8.0.80.0130.00538.28
8.0.70.0080.00538.23
8.0.60.0110.00238.23
8.0.50.0060.00738.28
8.0.30.0070.01032.95
8.0.20.0120.00633.22
8.0.10.0090.00438.31
8.0.00.0150.00432.87
7.4.330.0090.00138.26
7.4.320.0100.00438.19
7.4.300.0080.00538.17
7.4.290.0100.00338.17
7.4.280.0070.00638.17
7.4.270.0070.00738.12
7.4.260.0110.00337.06
7.4.250.0120.00338.19
7.4.240.0070.00632.75
7.4.230.0060.00838.18
7.4.220.0070.00629.44
7.4.210.0050.01027.28
7.4.200.0140.00038.11
7.4.190.0120.00238.11
7.4.180.0140.00349.05
7.4.160.0120.00538.11
7.4.150.0110.00738.50
7.4.140.0100.00933.45
7.4.130.0090.00932.73
7.4.120.0080.00932.76
7.4.110.0120.00538.17
7.4.100.0110.00838.12
7.4.90.0070.01038.16
7.4.80.0130.00539.16
7.4.70.0100.00838.11
7.4.60.0110.00638.17
7.4.50.0020.01138.17
7.4.40.0120.00440.29
7.4.30.0130.00438.15
7.4.20.0120.00249.05
7.4.10.0140.00349.05
7.4.00.0080.00737.63
7.3.330.0090.00436.99
7.3.320.0100.00237.00
7.3.310.0060.00638.02
7.3.300.0080.00438.04
7.3.290.0110.00538.06
7.3.280.0100.00629.30
7.3.270.0150.00338.50
7.3.260.0090.00838.78
7.3.250.0120.00832.58
7.3.240.0100.00838.07
7.3.230.0090.00838.16
7.3.220.0130.00449.05
7.3.210.0150.00338.13
7.3.200.0150.00439.16
7.3.190.0120.00638.06
7.3.180.0110.00838.13
7.3.170.0130.00438.12
7.3.160.0100.00638.05
7.3.150.0120.00549.05
7.3.140.0120.00449.05
7.3.130.0160.00149.05
7.3.120.0100.00737.53
7.3.110.0130.00337.50
7.3.100.0120.00337.44
7.3.90.0130.00337.46
7.3.80.0070.00937.59
7.3.70.0090.00737.51
7.3.60.0130.00337.50
7.3.50.0110.00537.54
7.3.40.0090.00637.56
7.3.30.0120.00437.50
7.3.20.0130.00437.51
7.3.10.0160.00037.56
7.3.00.0100.00632.30
7.2.340.0140.00449.05
7.2.330.0140.00338.14
7.2.320.0100.00638.20
7.2.310.0120.00638.11
7.2.300.0110.00638.11
7.2.290.0090.00938.19
7.2.280.0160.00249.05
7.2.270.0120.00549.05
7.2.260.0130.00449.05
7.2.250.0040.01249.05
7.2.240.0100.00737.67
7.2.230.0120.00537.70
7.2.220.0110.00537.57
7.2.210.0090.00837.69
7.2.200.0120.00537.58
7.2.190.0130.00437.63
7.2.180.0100.00837.59
7.2.170.0070.00837.53
7.2.160.0100.00737.70
7.2.150.0120.00537.69
7.2.140.0100.00637.69
7.2.130.0080.00932.43
7.2.120.0110.00332.31
7.2.110.0090.00632.29
7.2.100.0090.00632.38
7.2.90.0110.00732.50
7.2.80.0110.00732.39
7.2.70.0090.00932.45
7.2.60.0080.00732.37
7.2.50.0100.00632.41
7.2.40.0120.00832.31
7.2.30.0100.00732.43
7.2.20.0140.00632.40
7.2.10.0110.00532.45
7.2.00.0090.00829.74
7.1.330.0100.00637.29
7.1.320.0080.00737.26
7.1.310.0090.00637.26
7.1.300.0070.00837.33
7.1.290.0100.00637.30
7.1.280.0120.00637.23
7.1.270.0100.00637.30
7.1.260.0140.00237.25
7.1.250.0110.00531.80
7.1.240.0060.00931.88
7.1.230.0090.00631.87
7.1.220.0110.00531.71
7.1.210.0090.00631.80
7.1.200.0070.00731.87
7.1.190.0080.00631.76
7.1.180.0100.00631.87
7.1.170.0130.00631.79
7.1.160.0120.00431.79
7.1.150.0100.00631.82
7.1.140.0120.00731.80
7.1.130.0100.00631.85
7.1.120.0110.00431.89
7.1.110.0090.00531.87
7.1.100.0060.00829.09
7.1.90.0100.00531.87
7.1.80.0090.00731.90
7.1.70.0080.00828.89
7.1.60.0080.00728.80
7.1.50.0110.00528.89
7.1.40.0060.00828.77
7.1.30.0060.00828.86
7.1.20.0080.00828.89
7.1.10.0070.00728.80
7.1.00.0060.00828.81
7.0.330.0070.00731.66
7.0.320.0090.00431.65
7.0.310.0080.00631.71
7.0.300.0130.00631.63
7.0.290.0100.00531.53
7.0.280.0110.00331.70
7.0.270.0080.00531.67
7.0.260.0130.00431.74
7.0.250.0080.00631.74
7.0.240.0120.00531.65
7.0.230.0090.00731.71
7.0.220.0100.00431.68
7.0.210.0080.00631.62
7.0.200.0100.00628.66
7.0.190.0100.00528.70
7.0.180.0050.00828.75
7.0.170.0070.00628.63
7.0.160.0060.00928.71
7.0.150.0070.00928.73
7.0.140.0070.00628.77
7.0.130.0100.00628.72
7.0.120.0080.00628.71
7.0.110.0090.00328.72
7.0.100.0070.00628.70
7.0.90.0120.00628.69
7.0.80.0080.00528.72
7.0.70.0090.00728.69
7.0.60.0110.00328.69
7.0.50.0060.00828.75
7.0.40.0090.00628.31
7.0.30.0060.00728.22
7.0.20.0080.00528.27
7.0.10.0100.00428.25
7.0.00.0080.00528.30
5.6.400.0030.01237.42
5.6.390.0110.00337.40
5.6.380.0120.00331.67
5.6.370.0100.00431.69
5.6.360.0070.00731.65
5.6.350.0090.00631.57
5.6.340.0070.00831.51
5.6.330.0110.00431.55
5.6.320.0050.00831.51
5.6.310.0070.00931.64
5.6.300.0100.01729.44
5.6.290.0120.01329.40
5.6.280.0060.01529.43
5.6.270.0080.01329.42
5.6.260.0120.01229.52
5.6.250.0070.01429.41
5.6.240.0090.01429.50
5.6.230.0080.01429.40
5.6.220.0080.01329.37
5.6.210.0090.01329.43
5.6.200.0110.01229.33
5.6.190.0080.02229.44
5.6.180.0080.01229.35
5.6.170.0080.01429.31
5.6.160.0070.01429.45
5.6.150.0090.01229.46
5.6.140.0080.01329.52
5.6.130.0070.01329.43
5.6.120.0040.01629.50
5.6.110.0100.01029.37
5.6.100.0070.02029.39
5.6.90.0090.01529.52
5.6.80.0090.01029.27
5.6.70.0050.01429.33
5.6.60.0080.01229.23
5.6.50.0090.01129.24
5.6.40.0070.01429.25
5.6.30.0110.01029.31
5.6.20.0090.01329.24
5.6.10.0060.01529.24
5.6.00.0070.01729.25
5.5.380.0030.01928.13
5.5.370.0090.01128.12
5.5.360.0070.01627.99
5.5.350.0050.01628.04
5.5.340.0100.01228.18
5.5.330.0090.01228.12
5.5.320.0070.01228.18
5.5.310.0070.01128.23
5.5.300.0070.01328.29
5.5.290.0070.01128.17
5.5.280.0050.01528.11
5.5.270.0060.02028.12
5.5.260.0070.01228.16
5.5.250.0070.01228.08
5.5.240.0090.01527.99
5.5.230.0040.01528.06
5.5.220.0090.01728.07
5.5.210.0060.01528.09
5.5.200.0060.01428.01
5.5.190.0060.01428.02
5.5.180.0060.01228.01
5.5.170.0070.00730.68
5.5.160.0090.01727.99
5.5.150.0070.01228.06
5.5.140.0080.01027.98
5.5.130.0100.01128.08
5.5.120.0070.01228.00
5.5.110.0080.01228.07
5.5.100.0060.01427.92
5.5.90.0070.01327.99
5.5.80.0070.01327.97
5.5.70.0080.01227.93
5.5.60.0100.01128.02
5.5.50.0060.01327.94
5.5.40.0080.01228.00
5.5.30.0050.01328.00
5.5.20.0060.01327.94
5.5.10.0090.01128.05
5.5.00.0070.01327.92
5.4.450.0040.01427.84
5.4.440.0070.01327.80
5.4.430.0060.01427.76
5.4.420.0100.01027.70
5.4.410.0060.01927.75
5.4.400.0040.01327.70
5.4.390.0050.01227.70
5.4.380.0070.01127.66
5.4.370.0060.01227.66
5.4.360.0080.01127.73
5.4.350.0060.01127.67
5.4.340.0050.01327.68
5.4.330.0080.00229.95
5.4.320.0030.01427.66
5.4.310.0070.01027.69
5.4.300.0060.01127.67
5.4.290.0050.01227.68
5.4.280.0060.01127.70
5.4.270.0060.01027.74
5.4.260.0080.00927.76
5.4.250.0050.01227.68
5.4.240.0060.01127.70
5.4.230.0060.01227.74
5.4.220.0040.01327.66
5.4.210.0080.00927.75
5.4.200.0050.01227.64
5.4.190.0050.01327.71
5.4.180.0050.01327.65
5.4.170.0050.01127.71
5.4.160.0060.01127.66
5.4.150.0040.01427.73
5.4.140.0070.01127.28
5.4.130.0060.01227.23
5.4.120.0060.01227.23
5.4.110.0050.01127.24
5.4.100.0060.01027.23
5.4.90.0050.01327.26
5.4.80.0050.01327.26
5.4.70.0050.01527.24
5.4.60.0050.01327.25
5.4.50.0110.00827.22
5.4.40.0050.01227.23
5.4.30.0040.01227.26
5.4.20.0060.01627.25
5.4.10.0040.01627.24
5.4.00.0070.01227.23
5.3.290.0070.01227.20
5.3.280.0050.01127.20
5.3.270.0070.01027.20
5.3.260.0050.01327.20
5.3.250.0060.01127.20
5.3.240.0060.01127.20
5.3.230.0040.01327.20
5.3.220.0040.01427.20
5.3.210.0070.01027.20
5.3.200.0040.01427.20
5.3.190.0070.01127.20
5.3.180.0090.00927.20
5.3.170.0050.01227.20
5.3.160.0070.01127.20
5.3.150.0070.01127.20
5.3.140.0040.01227.20
5.3.130.0050.01527.20
5.3.120.0060.01127.20
5.3.110.0070.01027.20
5.3.100.0060.01527.20
5.3.90.0050.01227.20
5.3.80.0050.01127.20
5.3.70.0060.00927.20
5.3.60.0070.01427.20
5.3.50.0040.01427.20
5.3.40.0050.02027.20
5.3.30.0080.01027.20
5.3.20.0060.01327.20
5.3.10.0050.01127.20
5.3.00.0090.00927.20

preferences:
59.28 ms | 401 KiB | 5 Q