3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(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)
8.3.60.0070.01116.63
8.3.50.0110.01022.04
8.3.40.0000.01418.72
8.3.30.0150.00018.95
8.3.20.0070.00020.30
8.3.10.0000.00823.66
8.3.00.0090.00020.95
8.2.180.0110.00718.42
8.2.170.0110.00422.96
8.2.160.0100.00320.43
8.2.150.0000.00724.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0000.00722.20
8.2.110.0060.00322.25
8.2.100.0030.01017.42
8.2.90.0070.00019.15
8.2.80.0080.00017.97
8.2.70.0030.00817.24
8.2.60.0080.00017.91
8.2.50.0040.00418.07
8.2.40.0070.00317.78
8.2.30.0040.00418.13
8.2.20.0000.00817.59
8.2.10.0070.00018.00
8.2.00.0080.00417.62
8.1.280.0080.01525.92
8.1.270.0060.00323.88
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0170.00323.97
8.1.230.0080.00419.22
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0030.00617.09
8.1.190.0050.00317.00
8.1.180.0060.00319.01
8.1.170.0040.00418.45
8.1.160.0000.00721.95
8.1.150.0000.00718.38
8.1.140.0000.00717.28
8.1.130.0030.00317.70
8.1.120.0030.00417.38
8.1.110.0000.00817.31
8.1.100.0000.00717.39
8.1.90.0080.00017.36
8.1.80.0040.00417.25
8.1.70.0030.00317.22
8.1.60.0080.00317.47
8.1.50.0040.00417.38
8.1.40.0030.00817.32
8.1.30.0000.00817.45
8.1.20.0000.00817.47
8.1.10.0000.00817.41
8.1.00.0040.00417.30
8.0.300.0030.00518.77
8.0.290.0000.00717.18
8.0.280.0000.00718.36
8.0.270.0040.00417.01
8.0.260.0000.00617.16
8.0.250.0040.00416.86
8.0.240.0000.00916.85
8.0.230.0000.00716.74
8.0.220.0070.00016.79
8.0.210.0070.00016.66
8.0.200.0030.00316.84
8.0.190.0000.00716.70
8.0.180.0030.00516.75
8.0.170.0070.00016.68
8.0.160.0030.00316.65
8.0.150.0040.00416.74
8.0.140.0000.00716.67
8.0.130.0000.00513.15
8.0.120.0040.00416.63
8.0.110.0080.00016.74
8.0.100.0030.00616.82
8.0.90.0030.00516.62
8.0.80.0110.00716.79
8.0.70.0070.00016.66
8.0.60.0000.00716.64
8.0.50.0040.00416.58
8.0.30.0110.01017.07
8.0.20.0110.00717.40
8.0.10.0040.00416.88
8.0.00.0120.00616.49
7.4.330.0000.00515.00
7.4.320.0030.00316.36
7.4.300.0040.00416.26
7.4.290.0000.00716.52
7.4.280.0080.00016.49
7.4.270.0050.00216.49
7.4.260.0000.00716.40
7.4.250.0030.00516.42
7.4.240.0000.00716.49
7.4.230.0070.00016.35
7.4.220.0070.01016.57
7.4.210.0080.00916.48
7.4.200.0030.00316.12
7.4.190.0060.00016.53
7.4.160.0080.00816.20
7.4.150.0160.00317.40
7.4.140.0080.01217.86
7.4.130.0120.00616.46
7.4.120.0090.00716.43
7.4.110.0130.00316.35
7.4.100.0110.01116.57
7.4.90.0080.00916.40
7.4.80.0140.01219.39
7.4.70.0100.00616.28
7.4.60.0120.00316.14
7.4.50.0000.00416.36
7.4.40.0130.00316.20
7.4.30.0070.01116.38
7.4.00.0080.00414.71
7.3.330.0020.00213.12
7.3.320.0000.00613.09
7.3.310.0030.00316.07
7.3.300.0030.00316.18
7.3.290.0170.00316.17
7.3.280.0110.00816.13
7.3.270.0100.00617.40
7.3.260.0070.01116.14
7.3.250.0090.00816.41
7.3.240.0030.01716.11
7.3.230.0060.01016.39
7.3.210.0110.00716.10
7.3.200.0100.00719.39
7.3.190.0120.00616.32
7.3.180.0110.00516.48
7.3.170.0110.00316.27
7.3.160.0160.00616.25
7.3.120.0030.00914.96
7.2.330.0100.01316.54
7.2.320.0150.00316.45
7.2.310.0000.01516.18
7.2.300.0070.01116.48
7.2.290.0060.01416.14
7.2.00.0030.00919.34
7.1.200.0070.00715.35
7.1.100.0130.00717.99
7.1.70.0000.00816.91
7.1.60.0130.00719.46
7.1.50.0120.00616.84
7.1.00.0000.08022.26
7.0.200.0040.00416.63
7.0.140.0030.07322.08
7.0.80.0670.07319.86
7.0.70.0400.04019.98
7.0.60.0630.07019.91
7.0.50.0730.06320.32
7.0.40.0130.07720.13
7.0.30.0130.07020.13
7.0.20.0070.08720.14
7.0.10.0100.08020.09
7.0.00.0030.04320.10
5.6.280.0000.07721.07
5.6.230.0100.08720.68
5.6.220.0100.07720.61
5.6.210.0130.08020.55
5.6.200.0100.07020.96
5.6.190.0030.08721.14
5.6.180.0170.07720.95
5.6.170.0100.08721.01
5.6.160.0100.07721.02
5.6.150.0130.07721.03
5.6.140.0100.07720.93
5.6.130.0070.05320.91
5.6.120.0070.04321.03
5.6.110.0100.07321.05
5.6.100.0100.08021.15
5.6.90.0100.08320.95
5.6.80.0030.04720.34
5.6.70.0030.09020.41
5.6.60.0200.05720.38
5.6.50.0030.05320.45
5.6.40.0070.08720.38
5.6.30.0100.07720.38
5.6.20.0130.06020.53
5.6.10.0030.08720.51
5.6.00.0130.07720.50
5.5.370.0100.04720.47
5.5.360.0070.06720.40
5.5.350.0130.04320.41
5.5.340.0130.07720.77
5.5.330.0100.06320.73
5.5.320.0100.08020.80
5.5.310.0030.08320.90
5.5.300.0170.06720.72
5.5.290.0030.09320.75
5.5.280.0100.08020.78
5.5.270.0170.08020.78
5.5.260.0230.07020.87
5.5.250.0070.06020.45
5.5.240.0000.08320.13
5.5.230.0070.04720.28
5.5.220.0030.07720.22
5.5.210.0100.06020.20
5.5.200.0070.04720.23
5.5.190.0130.06320.15
5.5.180.0100.05320.22
5.5.160.0100.07720.20
5.5.150.0000.04720.20
5.5.140.0070.06020.09
5.5.130.0130.07020.22
5.5.120.0030.08320.11
5.5.110.0000.09320.25
5.5.100.0070.04320.06
5.5.90.0000.07720.08
5.5.80.0070.05020.10
5.5.70.0070.05320.08
5.5.60.0030.06320.07
5.5.50.0100.06720.13
5.5.40.0100.06320.14
5.5.30.0030.08019.91
5.5.20.0070.07320.13
5.5.10.0130.07320.06
5.5.00.0000.08020.00
5.4.450.0070.08019.25
5.4.440.0130.06319.54
5.4.430.0100.07719.20
5.4.420.0100.07719.43
5.4.410.0100.07319.41
5.4.400.0070.07319.12
5.4.390.0130.07318.96
5.4.380.0070.03719.05
5.4.370.0030.05719.14
5.4.360.0070.04019.03
5.4.350.0100.06019.13
5.4.340.0070.05718.77
5.4.320.0130.07019.08
5.4.310.0100.04718.98
5.4.300.0130.06719.05
5.4.290.0130.05018.96
5.4.280.0070.04318.93
5.4.270.0130.05719.05
5.4.260.0070.07318.96
5.4.250.0030.07019.11
5.4.240.0100.04019.05
5.4.230.0130.05318.94
5.4.220.0100.07318.95
5.4.210.0100.06718.95
5.4.200.0070.08019.05
5.4.190.0100.06719.04
5.4.180.0100.07018.80
5.4.170.0170.08318.98
5.4.160.0100.07318.93
5.4.150.0100.07319.12
5.4.140.0070.07316.22
5.4.130.0030.08016.23
5.4.120.0200.05716.33
5.4.110.0200.04316.19
5.4.100.0100.06316.40
5.4.90.0130.06716.41
5.4.80.0030.06316.37
5.4.70.0000.06716.32
5.4.60.0070.07316.35
5.4.50.0130.06016.34
5.4.40.0100.06316.22
5.4.30.0100.07016.38
5.4.20.0100.03316.18
5.4.10.0070.05316.18
5.4.00.0070.04315.67
5.3.290.0170.06714.53
5.3.280.0000.05014.45
5.3.270.0070.05314.46
5.3.260.0030.07714.57
5.3.250.0000.08714.45
5.3.240.0200.06714.56
5.3.230.0000.08014.55
5.3.220.0130.06314.53
5.3.210.0100.07314.43
5.3.200.0070.07314.57
5.3.190.0130.06714.52
5.3.180.0030.07714.54
5.3.170.0170.06314.42
5.3.160.0030.07714.41
5.3.150.0100.07714.39
5.3.140.0100.06714.41
5.3.130.0030.04314.52
5.3.120.0170.02714.51
5.3.110.0100.03314.45
5.3.100.0070.04014.02
5.3.90.0200.06314.00
5.3.80.0170.06313.77
5.3.70.0030.05313.79
5.3.60.0000.05313.95
5.3.50.0070.05013.69
5.3.40.0070.06713.71
5.3.30.0130.04313.89
5.3.20.0070.07013.67
5.3.10.0070.05013.56
5.3.00.0100.05013.49
5.2.170.0100.03311.63
5.2.160.0030.04311.63
5.2.150.0070.04011.63
5.2.140.0030.06311.63
5.2.130.0070.06311.63
5.2.120.0030.06311.63
5.2.110.0100.06011.63
5.2.100.0100.05311.63
5.2.90.0100.05311.63
5.2.80.0030.06711.63
5.2.70.0070.06311.63
5.2.60.0030.06311.63
5.2.50.0000.06711.63
5.2.40.0070.06011.63
5.2.30.0000.06311.63
5.2.20.0100.04711.63
5.2.10.0000.06711.63
5.2.00.0170.04711.63
5.1.60.0070.04711.63
5.1.50.0030.04311.63
5.1.40.0070.05011.63
5.1.30.0070.05011.63
5.1.20.0000.04011.63
5.1.10.0070.05711.63
5.1.00.0070.04711.63
5.0.50.0070.04311.63
5.0.40.0070.02711.63
5.0.30.0000.06711.63
5.0.20.0070.03311.63
5.0.10.0030.04011.63
5.0.00.0000.06011.63
4.4.90.0030.02711.63
4.4.80.0100.02311.63
4.4.70.0070.03311.63
4.4.60.0000.03711.63
4.4.50.0070.03311.63
4.4.40.0030.05311.63
4.4.30.0000.03311.63
4.4.20.0000.03711.63
4.4.10.0030.03311.63
4.4.00.0030.04711.63
4.3.110.0070.03311.63
4.3.100.0030.03011.63
4.3.90.0030.03311.63
4.3.80.0000.04311.63
4.3.70.0030.02011.63
4.3.60.0000.03711.63
4.3.50.0030.03311.63
4.3.40.0030.03311.63
4.3.30.0000.03311.63
4.3.20.0000.02711.63
4.3.10.0030.01711.63
4.3.00.0000.03711.63

preferences:
43.09 ms | 401 KiB | 5 Q