3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 0; $isset = isset($foo); echo $isset;

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)
8.3.60.0090.00616.63
8.3.50.0120.00718.21
8.3.40.0090.00918.63
8.3.30.0070.00718.40
8.3.20.0050.00318.70
8.3.10.0050.00320.54
8.3.00.0040.00419.38
8.2.180.0150.00716.50
8.2.170.0170.00322.96
8.2.160.0080.00818.77
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0110.00426.16
8.2.120.0030.00620.50
8.2.110.0060.00320.98
8.2.100.0080.00417.72
8.2.90.0030.00619.30
8.2.80.0070.00019.39
8.2.70.0040.00717.63
8.2.60.0000.00817.90
8.2.50.0050.00318.07
8.2.40.0040.00418.03
8.2.30.0070.00017.97
8.2.20.0040.00417.54
8.2.10.0000.00717.64
8.2.00.0040.00417.64
8.1.280.0100.00725.92
8.1.270.0050.00323.99
8.1.260.0100.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00722.46
8.1.230.0070.00420.84
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0000.00917.51
8.1.180.0040.00418.10
8.1.170.0030.00618.77
8.1.160.0040.00418.72
8.1.150.0040.00418.55
8.1.140.0000.00717.40
8.1.130.0000.00717.81
8.1.120.0070.00017.38
8.1.110.0070.00017.37
8.1.100.0040.00417.36
8.1.90.0000.00717.27
8.1.80.0070.00017.26
8.1.70.0030.00317.27
8.1.60.0000.00717.44
8.1.50.0000.00717.29
8.1.40.0040.00417.46
8.1.30.0060.00317.50
8.1.20.0000.00917.63
8.1.10.0040.00417.48
8.1.00.0030.00617.41
8.0.300.0000.00719.97
8.0.290.0070.00016.75
8.0.280.0000.00718.48
8.0.270.0050.00317.16
8.0.260.0060.00016.80
8.0.250.0040.00416.84
8.0.240.0000.00716.93
8.0.230.0030.00316.81
8.0.220.0000.00716.82
8.0.210.0000.00716.78
8.0.200.0030.00316.75
8.0.190.0000.00716.76
8.0.180.0000.00716.77
8.0.170.0060.00316.81
8.0.160.0070.00016.84
8.0.150.0040.00416.76
8.0.140.0090.00016.65
8.0.130.0050.00013.29
8.0.120.0040.00416.79
8.0.110.0000.00716.83
8.0.100.0000.00816.68
8.0.90.0040.00416.82
8.0.80.0070.01016.79
8.0.70.0000.00716.71
8.0.60.0050.00216.84
8.0.50.0040.00416.82
8.0.30.0060.01017.15
8.0.20.0100.00917.07
8.0.10.0070.00017.00
8.0.00.0090.00916.83
7.4.330.0000.00512.95
7.4.320.0060.00016.51
7.4.300.0060.00016.52
7.4.290.0040.00416.52
7.4.280.0070.00016.43
7.4.270.0030.00316.45
7.4.260.0030.00313.18
7.4.250.0040.00416.38
7.4.240.0030.00316.50
7.4.230.0030.00316.45
7.4.220.0140.00416.46
7.4.210.0120.00916.64
7.4.200.0030.00316.53
7.4.190.0040.00416.48
7.4.160.0060.01016.56
7.4.150.0070.01016.48
7.4.140.0100.00716.46
7.4.130.0150.00716.29
7.4.120.0110.00616.39
7.4.110.0110.00616.52
7.4.100.0040.01716.20
7.4.90.0100.00716.59
7.4.80.0060.01219.39
7.4.70.0100.00716.27
7.4.60.0070.00716.34
7.4.50.0000.00816.13
7.4.40.0090.00616.12
7.4.30.0090.00616.53
7.4.00.0100.00814.89
7.3.330.0000.00613.06
7.3.320.0000.00713.06
7.3.310.0040.00316.25
7.3.300.0000.00616.20
7.3.290.0090.00716.18
7.3.280.0050.01016.20
7.3.270.0070.01016.45
7.3.260.0150.00316.49
7.3.250.0070.00916.22
7.3.240.0090.00616.27
7.3.230.0060.00916.28
7.3.210.0150.00616.53
7.3.200.0140.00716.44
7.3.190.0100.00716.18
7.3.180.0030.01316.40
7.3.170.0060.01316.55
7.3.160.0130.01016.41
7.3.120.0060.01114.50
7.3.110.0060.00614.48
7.3.100.0070.00714.50
7.3.90.0070.00314.46
7.3.80.0060.00314.45
7.3.70.0090.00614.83
7.3.60.0060.01014.81
7.3.50.0000.00814.74
7.3.40.0060.00914.63
7.3.30.0030.01014.73
7.3.20.0070.00416.56
7.3.10.0080.00516.56
7.3.00.0070.00716.31
7.2.330.0000.01816.63
7.2.320.0060.01216.58
7.2.310.0090.00916.28
7.2.300.0100.01416.22
7.2.290.0140.00316.61
7.2.250.0090.00914.69
7.2.240.0070.01514.87
7.2.230.0070.00715.11
7.2.220.0060.00614.52
7.2.210.0030.01014.89
7.2.200.0100.00714.90
7.2.190.0040.00814.50
7.2.180.0040.01114.96
7.2.170.0100.00714.97
7.2.130.0120.00416.80
7.2.120.0080.00016.81
7.2.110.0040.00716.93
7.2.100.0040.00416.46
7.2.90.0040.01116.75
7.2.80.0030.01016.68
7.2.70.0060.00616.53
7.2.60.0100.00616.83
7.2.50.0030.00916.79
7.2.40.0000.00916.89
7.2.30.0000.01516.97
7.2.20.0030.01316.85
7.2.10.0060.00316.67
7.2.00.0070.00618.10
7.1.330.0100.00315.75
7.1.320.0030.00615.67
7.1.310.0040.01015.59
7.1.300.0030.00615.61
7.1.290.0060.00615.89
7.1.280.0030.01015.55
7.1.270.0000.01215.40
7.1.260.0040.01115.67
7.1.250.0070.00415.65
7.1.100.0030.00518.16
7.1.70.0040.00417.09
7.1.60.0200.00319.31
7.1.50.0030.01716.67
7.1.00.0070.07022.37
7.0.200.0030.00616.44
7.0.140.0000.07722.15
7.0.120.0070.06322.19
7.0.60.0030.06720.02
7.0.50.0000.04317.87
7.0.40.0200.07320.23
7.0.30.0370.04720.17
7.0.20.0330.04720.13
7.0.10.0100.05020.00
7.0.00.0030.04320.16
5.6.280.0030.07020.88
5.6.210.0030.06320.46
5.6.200.0030.04318.09
5.6.190.0130.07020.67
5.6.180.0330.07320.39
5.6.170.0200.03720.61
5.6.160.0070.07320.38
5.6.150.0070.05018.12
5.6.140.0170.04018.21
5.6.130.0070.07718.09
5.6.120.0070.08721.04
5.6.110.0070.08020.97
5.6.100.0130.07721.02
5.6.90.0230.05720.96
5.6.80.0000.08320.36
5.6.70.0230.07320.38
5.5.350.0300.07720.39
5.5.340.0030.06017.91
5.5.330.0170.05320.21
5.5.320.0170.08720.21
5.5.310.0200.06320.12
5.5.300.0070.08718.03
5.5.290.0000.06317.98
5.5.280.0200.07320.64
5.5.270.0130.06320.63
5.5.260.0070.05720.88
5.5.250.0100.03720.60
5.5.240.0070.03720.03
5.4.450.0000.04319.51
5.4.440.0030.04019.11
5.4.430.0030.03719.48
5.4.420.0000.04019.23
5.4.410.0030.03719.00
5.4.400.0000.04019.09
5.4.390.0030.04019.09
5.4.380.0030.03719.09
5.4.370.0030.03719.15
5.4.360.0000.04019.14
5.4.350.0030.03719.09
5.4.340.0000.04019.00
5.4.320.0030.03718.79
5.4.310.0000.04019.16
5.4.300.0130.06319.13
5.4.290.0100.05719.14
5.4.280.0070.04019.18
5.4.270.0070.03718.91
5.4.260.0070.07319.18
5.4.250.0130.03019.19
5.4.240.0000.04319.07
5.4.230.0030.04318.89
5.4.220.0100.04019.02
5.4.210.0100.05719.15
5.4.200.0100.07319.17
5.4.190.0130.05719.12
5.4.180.0100.07019.12
5.4.170.0070.07719.14
5.4.160.0100.05319.11
5.4.150.0100.07019.15
5.4.140.0030.08016.22
5.4.130.0030.07016.24
5.4.120.0030.07716.26
5.4.110.0070.07716.36
5.4.100.0100.06316.41
5.4.90.0030.03716.60
5.4.80.0070.07716.23
5.4.70.0030.04016.32
5.4.60.0100.06316.21
5.4.50.0030.05316.34
5.4.40.0030.03716.38
5.4.30.0030.03716.34
5.4.20.0030.07016.27
5.4.10.0000.07316.38
5.4.00.0030.05715.79
5.3.290.0030.03714.60
5.3.280.0000.05014.52
5.3.270.0070.06314.48
5.3.260.0030.07014.50
5.3.250.0030.07314.53
5.3.240.0070.07714.50
5.3.230.0100.06714.54
5.3.220.0070.05714.65
5.3.210.0070.06714.50
5.3.200.0030.05714.48
5.3.190.0070.05314.52
5.3.180.0070.08314.57
5.3.170.0100.05014.45
5.3.160.0030.04714.49
5.3.150.0030.04014.43
5.3.140.0030.04014.47
5.3.130.0100.04014.50
5.3.120.0030.07714.49
5.3.110.0200.05314.56
5.3.100.0130.07714.01
5.3.90.0170.02313.98
5.3.80.0100.03714.10
5.3.70.0070.07014.02
5.3.60.0070.03313.94
5.3.50.0030.03713.87
5.3.40.0100.05313.91
5.3.30.0000.05013.92
5.3.20.0070.06713.66
5.3.10.0070.04013.47
5.3.00.0100.04713.59
5.2.170.0030.02711.13
5.2.160.0100.06011.13
5.2.150.0030.05311.03
5.2.140.0030.03011.12
5.2.130.0100.03711.03
5.2.120.0000.05310.95
5.2.110.0030.03311.18
5.2.100.0100.04310.99
5.2.90.0070.05711.03
5.2.80.0030.03711.10
5.2.70.0000.03011.25
5.2.60.0100.06011.13
5.2.50.0100.05011.16
5.2.40.0070.03011.07
5.2.30.0100.02010.93
5.2.20.0200.04311.05
5.2.10.0070.06010.90
5.2.00.0030.06010.71
5.1.60.0030.0309.97
5.1.50.0100.04310.04
5.1.40.0000.0279.98
5.1.30.0030.04010.30
5.1.20.0100.05010.42
5.1.10.0000.06010.05
5.1.00.0100.03310.21
5.0.50.0100.0308.53
5.0.40.0100.0378.40
5.0.30.0030.0338.31
5.0.20.0000.0238.31
5.0.10.0030.0238.31
5.0.00.0000.0438.31
4.4.90.0000.0338.31
4.4.80.0000.0238.31
4.4.70.0030.0238.31
4.4.60.0000.0208.31
4.4.50.0000.0178.31
4.4.40.0070.0238.31
4.4.30.0000.0178.31
4.4.20.0000.0208.31
4.4.10.0100.0278.31
4.4.00.0000.0608.31
4.3.110.0030.0278.31
4.3.100.0000.0208.31
4.3.90.0100.0078.31
4.3.80.0000.0308.31
4.3.70.0000.0338.31
4.3.60.0000.0378.31
4.3.50.0000.0378.31
4.3.40.0000.0278.31
4.3.30.0070.0278.31
4.3.20.0030.0238.31
4.3.10.0030.0238.31
4.3.00.0000.0178.31

preferences:
46.77 ms | 400 KiB | 5 Q