3v4l.org

run code in 300+ PHP versions simultaneously
<?php is_a("kkk", string);

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)
8.3.40.0070.01018.84
8.3.30.0120.00318.96
8.3.20.0070.00019.93
8.3.10.0080.00023.59
8.3.00.0050.00320.80
8.2.170.0040.01122.96
8.2.160.0070.00720.35
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0050.00220.39
8.2.110.0030.00620.34
8.2.100.0080.00317.78
8.2.90.0070.00019.22
8.2.80.0000.00817.97
8.2.70.0000.00817.62
8.2.60.0060.00618.04
8.2.50.0000.00818.07
8.2.40.0070.00219.87
8.2.30.0040.00418.24
8.2.20.0040.00417.77
8.2.10.0040.00418.11
8.2.00.0000.00917.62
8.1.270.0000.00823.71
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0190.00323.90
8.1.230.0070.00423.98
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0080.00017.35
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0080.00018.57
8.1.160.0040.00421.92
8.1.150.0080.00018.61
8.1.140.0040.00417.25
8.1.130.0040.00417.75
8.1.120.0030.00317.29
8.1.110.0040.00417.36
8.1.100.0000.00717.37
8.1.90.0000.00817.34
8.1.80.0020.00517.28
8.1.70.0000.00817.27
8.1.60.0000.01017.43
8.1.50.0080.00017.40
8.1.40.0110.00017.46
8.1.30.0030.00517.52
8.1.20.0060.00317.59
8.1.10.0000.00717.47
8.1.00.0000.00717.31
8.0.300.0000.00820.78
8.0.290.0030.00617.28
8.0.280.0030.00318.43
8.0.270.0030.00317.25
8.0.260.0000.00617.15
8.0.250.0070.00017.02
8.0.240.0070.00216.89
8.0.230.0030.00316.88
8.0.220.0000.00716.94
8.0.210.0000.00716.92
8.0.200.0050.00216.99
8.0.190.0000.00717.06
8.0.180.0040.00416.92
8.0.170.0040.00416.87
8.0.160.0030.00316.83
8.0.150.0040.00416.98
8.0.140.0000.00716.94
8.0.130.0000.00613.36
8.0.120.0000.00816.88
8.0.110.0050.00216.85
8.0.100.0040.00416.81
8.0.90.0070.00016.96
8.0.80.0150.00616.99
8.0.70.0060.00316.98
8.0.60.0000.00716.90
8.0.50.0080.00016.89
8.0.30.0100.00816.94
8.0.20.0160.00317.40
8.0.10.0040.00417.07
8.0.00.0100.00716.70
7.4.330.0000.00615.00
7.4.320.0060.00016.54
7.4.300.0000.00616.44
7.4.290.0030.00316.56
7.4.280.0000.00716.33
7.4.270.0030.00316.34
7.4.260.0030.00316.50
7.4.250.0050.00316.39
7.4.240.0010.00616.43
7.4.230.0040.00316.42
7.4.220.0070.01416.58
7.4.210.0090.00616.51
7.4.200.0000.00716.29
7.4.190.0030.00316.46
7.4.160.0130.00316.44
7.4.150.0070.01017.40
7.4.140.0130.00417.86
7.4.130.0130.00516.40
7.4.120.0120.01016.59
7.4.110.0130.00516.50
7.4.100.0100.00716.41
7.4.90.0080.01116.37
7.4.80.0190.00619.39
7.4.70.0060.01116.53
7.4.60.0070.01016.46
7.4.50.0030.00516.55
7.4.40.0060.01116.25
7.4.30.0090.00616.43
7.4.00.0060.00914.90
7.3.330.0050.00013.02
7.3.320.0030.00313.11
7.3.310.0000.00716.27
7.3.300.0000.00716.02
7.3.290.0060.01216.29
7.3.280.0080.00916.22
7.3.270.0140.00317.40
7.3.260.0140.00316.32
7.3.250.0110.00616.31
7.3.240.0100.01316.33
7.3.230.0150.00416.39
7.3.210.0130.00316.31
7.3.200.0110.01419.39
7.3.190.0100.01016.25
7.3.180.0080.00816.14
7.3.170.0060.00916.27
7.3.160.0040.01216.54
7.3.120.0000.01514.68
7.2.330.0090.01216.57
7.2.320.0100.01316.36
7.2.310.0100.00616.23
7.2.300.0120.01216.49
7.2.290.0150.00616.50
7.2.60.0120.00016.93
7.1.200.0120.00315.75
7.1.70.0000.00716.73
7.1.60.0030.01919.46
7.1.50.0070.01716.93
7.1.00.0030.07722.41
7.0.200.0030.00316.79
7.0.140.0070.07022.15
7.0.100.0100.08719.88
7.0.90.0100.08019.98
7.0.80.0200.06719.84
7.0.70.0270.05019.95
7.0.60.0000.07719.87
7.0.50.0070.07020.30
7.0.40.0030.04720.14
7.0.30.0100.04020.14
7.0.20.0170.03720.03
7.0.10.0000.05019.99
7.0.00.0100.04720.04
5.6.280.0070.07020.91
5.6.250.0070.07020.62
5.6.240.0100.08720.57
5.6.230.0130.07020.72
5.6.220.0070.08020.51
5.6.210.0030.08020.59
5.6.200.0030.08721.00
5.6.190.0070.08321.08
5.6.180.0030.06021.04
5.6.170.0070.04321.13
5.6.160.0100.03721.04
5.6.150.0030.04321.07
5.6.140.0070.04021.16
5.6.130.0100.03721.04
5.6.120.0070.04721.16
5.6.110.0100.03321.13
5.6.100.0100.03721.01
5.6.90.0070.03320.99
5.6.80.0030.04320.42
5.6.70.0130.04020.51
5.6.60.0030.04020.54
5.6.50.0170.03020.41
5.6.40.0000.03720.44
5.6.30.0030.04020.46
5.6.20.0030.04020.52
5.6.10.0100.03720.48
5.6.00.0000.04720.43
5.5.380.0070.08320.50
5.5.370.0100.07320.35
5.5.360.0070.07020.37
5.5.350.0100.08720.41
5.5.340.0100.08020.88
5.5.330.0100.08020.75
5.5.320.0100.03320.72
5.5.310.0100.04320.77
5.5.300.0000.05020.85
5.5.290.0000.05020.79
5.5.280.0100.03720.88
5.5.270.0130.03720.71
5.5.260.0130.06720.84
5.5.250.0070.04720.44
5.5.240.0000.04320.29
5.5.230.0070.04020.10
5.5.220.0030.04020.17
5.5.210.0030.03720.14
5.5.200.0130.03020.22
5.5.190.0130.03020.20
5.5.180.0030.04020.17
5.5.160.0070.03720.17
5.5.150.0030.03320.11
5.5.140.0030.03320.17
5.5.130.0070.03720.23
5.5.120.0000.04320.14
5.5.110.0130.04020.25
5.5.100.0070.04020.07
5.5.90.0030.03320.06
5.5.80.0070.03720.05
5.5.70.0030.07719.99
5.5.60.0030.03719.95
5.5.50.0030.07720.08
5.5.40.0000.04020.02
5.5.30.0100.06720.03
5.5.20.0100.06020.04
5.5.10.0070.04720.04
5.5.00.0100.07319.96
5.4.450.0030.04019.40
5.4.440.0000.04719.44
5.4.430.0200.06319.13
5.4.420.0000.04319.22
5.4.410.0030.04319.42
5.4.400.0100.03319.12
5.4.390.0030.04019.02
5.4.380.0030.04018.78
5.4.370.0000.04718.84
5.4.360.0070.03719.04
5.4.350.0000.04318.83
5.4.340.0170.04019.06
5.4.320.0030.03719.05
5.4.310.0000.04018.90
5.4.300.0030.03718.90
5.4.290.0100.03019.14
5.4.280.0030.03719.05
5.4.270.0030.03719.12
5.4.260.0070.03318.78
5.4.250.0030.04019.20
5.4.240.0170.06719.11
5.4.230.0130.07319.12
5.4.220.0100.05719.13
5.4.210.0030.06719.09
5.4.200.0000.07719.00
5.4.190.0030.07018.94
5.4.180.0000.04318.96
5.4.170.0000.07019.10
5.4.160.0130.07319.02
5.4.150.0030.05018.98
5.4.140.0070.07016.27
5.4.130.0070.07016.32
5.4.120.0070.07316.05
5.4.110.0070.05716.43
5.4.100.0100.03316.26
5.4.90.0070.07016.41
5.4.80.0070.06716.20
5.4.70.0070.06716.19
5.4.60.0070.06316.28
5.4.50.0030.07316.39
5.4.40.0100.06716.23
5.4.30.0000.05716.34
5.4.20.0030.03716.27
5.4.10.0130.06016.27
5.4.00.0130.03715.83
5.3.290.0000.04314.63
5.3.280.0030.03314.50
5.3.270.0030.07714.45
5.3.260.0030.05014.46
5.3.250.0130.05014.60
5.3.240.0070.07314.61
5.3.230.0070.04014.57
5.3.220.0100.07014.46
5.3.210.0170.07014.38
5.3.200.0030.03314.39
5.3.190.0030.03714.56
5.3.180.0000.08314.54
5.3.170.0070.05714.51
5.3.160.0000.03714.54
5.3.150.0100.03014.51
5.3.140.0070.03014.49
5.3.130.0070.07014.48
5.3.120.0070.05714.45
5.3.110.0000.04314.48
5.3.100.0070.04713.99
5.3.90.0030.06013.87
5.3.80.0030.07713.96
5.3.70.0000.05313.97
5.3.60.0030.06313.85
5.3.50.0000.04013.90
5.3.40.0070.06713.80
5.3.30.0100.06013.88
5.3.20.0030.07013.68
5.3.10.0000.08013.68
5.3.00.0100.04713.68
5.2.170.0130.05013.68
5.2.160.0100.05313.68
5.2.150.0030.06713.68
5.2.140.0070.04713.68
5.2.130.0070.05713.68
5.2.120.0030.04713.68
5.2.110.0100.06013.68
5.2.100.0100.05713.68
5.2.90.0030.05713.68
5.2.80.0130.04313.68
5.2.70.0000.04713.68
5.2.60.0100.03313.68
5.2.50.0030.06013.68
5.2.40.0070.06013.68
5.2.30.0100.05313.68
5.2.20.0070.06013.68
5.2.10.0030.05713.68
5.2.00.0000.02713.68
5.1.60.0030.05013.68
5.1.50.0030.02013.68
5.1.40.0070.04013.68
5.1.30.0030.05313.68
5.1.20.0030.04713.68
5.1.10.0030.05713.68
5.1.00.0030.05313.68
5.0.50.0030.04313.68
5.0.40.0030.04013.68
5.0.30.0070.03713.68
5.0.20.0000.03013.68
5.0.10.0070.03713.68
5.0.00.0030.06313.68
4.4.90.0070.02313.68
4.4.80.0000.04013.68
4.4.70.0070.02313.68
4.4.60.0000.02313.68
4.4.50.0070.02713.68
4.4.40.0030.04713.68
4.4.30.0000.01713.68
4.4.20.0030.01313.68
4.4.10.0070.01313.68
4.4.00.0000.05713.68
4.3.110.0030.02313.68
4.3.100.0030.03013.68
4.3.90.0070.02713.68
4.3.80.0030.02713.68
4.3.70.0000.03713.68
4.3.60.0070.02013.68
4.3.50.0070.02013.68
4.3.40.0070.04713.68
4.3.30.0000.03713.68
4.3.20.0000.02313.68
4.3.10.0030.03313.68
4.3.00.0000.03013.68

preferences:
39.61 ms | 400 KiB | 5 Q