3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(is_numeric('2.9b45'));

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)
8.3.60.0170.00016.38
8.3.50.0120.00916.35
8.3.40.0090.00618.73
8.3.30.0130.00318.64
8.3.20.0120.00318.55
8.3.10.0080.00018.57
8.3.00.0040.00419.26
8.2.180.0070.01118.17
8.2.170.0090.00622.96
8.2.160.0030.01418.51
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00819.64
8.2.110.0090.00022.06
8.2.100.0140.00017.66
8.2.90.0050.00319.11
8.2.80.0000.00917.97
8.2.70.0090.00017.50
8.2.60.0080.00017.91
8.2.50.0070.00018.10
8.2.40.0030.00620.48
8.2.30.0050.00219.11
8.2.20.0050.00517.38
8.2.10.0040.00417.45
8.2.00.0030.00617.60
8.1.280.0100.00725.92
8.1.270.0000.00723.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0100.00020.82
8.1.230.0030.00919.15
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0050.00517.23
8.1.190.0030.00518.89
8.1.180.0000.00718.10
8.1.170.0040.00418.57
8.1.160.0040.00418.94
8.1.150.0040.00418.71
8.1.140.0040.00717.32
8.1.130.0020.00519.02
8.1.120.0070.00017.35
8.1.110.0000.00817.20
8.1.100.0070.00017.29
8.1.90.0080.00017.23
8.1.80.0070.00017.37
8.1.70.0030.00317.25
8.1.60.0000.00817.32
8.1.50.0000.00717.25
8.1.40.0060.00317.26
8.1.30.0030.00517.40
8.1.20.0080.00417.51
8.1.10.0000.00717.37
8.1.00.0000.00917.28
8.0.300.0030.00320.21
8.0.290.0080.00016.58
8.0.280.0030.00318.32
8.0.270.0030.00317.07
8.0.260.0040.00416.68
8.0.250.0030.00516.77
8.0.240.0030.00316.83
8.0.230.0040.00416.85
8.0.220.0070.00016.80
8.0.210.0000.00716.64
8.0.200.0000.00616.66
8.0.190.0000.00716.70
8.0.180.0050.00216.86
8.0.170.0000.00716.70
8.0.160.0030.00316.67
8.0.150.0090.00016.66
8.0.140.0050.00216.72
8.0.130.0000.00513.19
8.0.120.0040.00416.60
8.0.110.0090.00016.86
8.0.100.0070.00016.57
8.0.90.0040.00416.64
8.0.80.0040.01116.66
8.0.70.0050.00216.70
8.0.60.0060.00316.72
8.0.50.0080.00016.77
8.0.30.0100.01016.73
8.0.20.0160.00317.12
8.0.10.0000.00716.83
8.0.00.0110.00716.69
7.4.330.0040.00312.84
7.4.320.0060.00016.48
7.4.300.0030.00316.37
7.4.290.0050.00516.43
7.4.280.0050.00316.42
7.4.270.0000.00716.27
7.4.260.0060.00013.09
7.4.250.0040.00416.36
7.4.240.0030.00316.22
7.4.230.0000.00716.56
7.4.220.0140.00416.32
7.4.210.0100.00716.39
7.4.200.0040.00416.46
7.4.190.0080.00016.42
7.4.160.0100.00616.55
7.4.150.0100.00716.18
7.4.140.0080.01517.86
7.4.130.0260.00016.37
7.4.120.0120.01216.38
7.4.110.0130.00316.14
7.4.100.0000.01716.45
7.4.90.0120.01216.20
7.4.80.0110.00619.39
7.4.70.0180.00416.31
7.4.60.0090.00616.27
7.4.50.0040.00016.41
7.4.40.0090.00616.10
7.4.30.0100.00716.29
7.4.00.0060.01014.91
7.3.330.0030.00313.02
7.3.320.0000.00513.08
7.3.310.0030.00316.08
7.3.300.0000.00715.97
7.3.290.0090.00816.11
7.3.280.0060.00816.07
7.3.270.0080.00816.18
7.3.260.0160.00916.30
7.3.240.0110.00616.43
7.3.230.0030.01316.14
7.3.210.0070.01416.32
7.3.200.0080.00816.20
7.3.190.0110.00416.25
7.3.180.0120.00316.40
7.3.170.0030.01616.11
7.3.160.0040.01116.05
7.3.120.0100.00714.50
7.2.330.0120.00616.48
7.2.320.0090.00916.39
7.2.310.0100.01316.44
7.2.300.0120.00316.21
7.2.290.0060.01216.41
7.2.00.0090.00619.15
7.1.100.0040.00817.89
7.1.70.0000.00817.00
7.1.60.0000.02419.25
7.1.50.0120.01216.89
7.1.00.0030.03322.31
7.0.200.0040.00416.66
7.0.140.0070.06722.05
7.0.120.0000.07022.01
7.0.60.0030.08019.95
7.0.50.0100.07717.87
7.0.40.0100.04317.75
7.0.30.0130.07717.79
7.0.20.0070.04717.68
7.0.10.0130.04017.64
7.0.00.0030.08317.68
5.6.280.0000.07720.77
5.6.210.0070.04020.71
5.6.200.0100.07718.11
5.6.190.0100.05018.17
5.6.180.0070.07018.21
5.6.170.0030.05018.21
5.6.160.0070.08018.18
5.6.150.0100.07718.21
5.6.140.0100.06018.11
5.6.130.0070.08018.11
5.6.120.0000.07018.15
5.6.110.0000.08318.21
5.6.100.0070.04018.06
5.6.90.0100.03718.09
5.6.80.0070.08017.60
5.6.70.0030.05317.56
5.6.60.0070.07717.58
5.6.50.0130.07717.61
5.6.40.0100.08017.51
5.6.30.0000.06317.48
5.6.20.0100.07017.47
5.6.10.0030.07717.44
5.6.00.0070.06717.53
5.5.350.0200.08720.42
5.5.340.0100.06717.97
5.5.330.0070.07317.96
5.5.320.0100.07018.02
5.5.310.0030.07017.95
5.5.300.0030.07317.88
5.5.290.0100.07717.95
5.5.280.0270.06317.98
5.5.270.0100.08017.86
5.5.260.0100.06017.98
5.5.250.0000.08317.83
5.5.240.0100.07717.37
5.5.230.0000.05017.38
5.5.220.0100.07717.34
5.5.210.0100.05717.29
5.5.200.0100.07317.37
5.5.190.0100.07317.27
5.5.180.0030.08017.32
5.5.160.0070.08017.25
5.5.150.0030.04017.33
5.5.140.0030.07717.23
5.5.130.0070.03717.34
5.5.120.0030.06717.31
5.5.110.0070.04017.26
5.5.100.0070.04317.14
5.5.90.0030.07717.21
5.5.80.0030.08017.20
5.5.70.0100.06317.11
5.5.60.0070.04017.26
5.5.50.0070.04717.26
5.5.40.0030.07317.18
5.5.30.0030.06017.15
5.5.20.0030.05317.21
5.5.10.0100.07717.13
5.5.00.0070.08017.15
5.4.450.0030.07019.15
5.4.440.0030.07719.45
5.4.430.0130.04019.32
5.4.420.0000.04319.29
5.4.410.0100.04319.22
5.4.400.0030.07719.00
5.4.390.0070.04019.09
5.4.380.0000.08719.20
5.4.370.0100.05318.98
5.4.360.0170.06719.02
5.4.350.0070.06718.98
5.4.340.0030.08018.82
5.4.320.0070.05719.00
5.4.310.0030.05018.96
5.4.300.0070.04018.96
5.4.290.0030.04318.94
5.4.280.0030.07319.11
5.4.270.0100.04319.20
5.4.260.0000.08019.06
5.4.250.0100.07318.88
5.4.240.0070.07319.00
5.4.230.0100.07319.19
5.4.220.0130.07019.20
5.4.210.0030.06318.96
5.4.200.0070.07318.94
5.4.190.0070.05719.00
5.4.180.0000.07318.87
5.4.170.0030.06319.00
5.4.160.0070.07718.97
5.4.150.0030.08019.00
5.4.140.0070.07016.35
5.4.130.0030.05016.32
5.4.120.0000.04016.32
5.4.110.0070.03316.28
5.4.100.0000.04016.23
5.4.90.0030.06016.26
5.4.80.0000.04016.26
5.4.70.0100.05016.28
5.4.60.0030.04016.33
5.4.50.0030.08016.23
5.4.40.0070.08016.28
5.4.30.0130.06316.20
5.4.20.0100.03716.26
5.4.10.0070.04716.20
5.4.00.0000.08015.89
5.3.290.0030.05314.62
5.3.280.0030.05314.50
5.3.270.0070.06314.55
5.3.260.0070.07314.56
5.3.250.0070.07314.57
5.3.240.0100.03714.57
5.3.230.0070.07714.58
5.3.220.0070.04314.50
5.3.210.0000.04014.53
5.3.200.0070.04314.47
5.3.190.0070.07014.54
5.3.180.0030.04314.38
5.3.170.0100.07314.41
5.3.160.0070.07014.52
5.3.150.0000.08314.55
5.3.140.0070.07714.40
5.3.130.0030.07014.48
5.3.120.0070.08014.48
5.3.110.0030.08314.51
5.3.100.0100.06313.85
5.3.90.0000.08013.92
5.3.80.0000.04313.98
5.3.70.0030.03713.93
5.3.60.0000.08013.75
5.3.50.0000.07313.93
5.3.40.0070.06713.89
5.3.30.0030.04313.98
5.3.20.0030.04713.63
5.3.10.0070.07313.60
5.3.00.0070.06713.57
5.2.170.0030.05310.97
5.2.160.0070.05710.92
5.2.150.0030.06311.07
5.2.140.0000.04011.13
5.2.130.0000.06311.09
5.2.120.0000.05710.88
5.2.110.0000.06311.08
5.2.100.0030.05011.03
5.2.90.0030.06011.08
5.2.80.0030.03711.09
5.2.70.0030.06311.00
5.2.60.0000.04310.87
5.2.50.0030.05010.98
5.2.40.0070.05710.99
5.2.30.0000.04010.90
5.2.20.0000.04010.90
5.2.10.0000.04010.75
5.2.00.0070.05710.70
5.1.60.0030.0239.92
5.1.50.0100.05010.06
5.1.40.0030.0539.91
5.1.30.0070.05010.29
5.1.20.0030.03010.48
5.1.10.0070.0409.89
5.1.00.0100.03310.04
5.0.50.0030.0478.50
5.0.40.0000.0278.45
5.0.30.0030.0408.22
5.0.20.0000.0478.09
5.0.10.0000.0278.13
5.0.00.0000.0308.24
4.4.90.0000.0237.57
4.4.80.0000.0407.57
4.4.70.0000.0437.57
4.4.60.0030.0237.57
4.4.50.0030.0307.57
4.4.40.0070.0207.57
4.4.30.0000.0377.57
4.4.20.0030.0337.57
4.4.10.0000.0377.57
4.4.00.0070.0507.57
4.3.110.0030.0377.57
4.3.100.0000.0237.57
4.3.90.0000.0277.57
4.3.80.0000.0307.57
4.3.70.0000.0137.57
4.3.60.0030.0137.57
4.3.50.0000.0207.57
4.3.40.0000.0237.57
4.3.30.0030.0137.57
4.3.20.0000.0177.57
4.3.10.0000.0177.57
4.3.00.0000.0137.57

preferences:
51.35 ms | 401 KiB | 5 Q