3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '3.3'; echo is_float($string + 0); ?>

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)
8.3.60.0070.01418.39
8.3.50.0140.00521.92
8.3.40.0110.00318.73
8.3.30.0090.00618.66
8.3.20.0050.00318.70
8.3.10.0100.00720.35
8.3.00.0040.00419.38
8.2.180.0140.00716.63
8.2.170.0110.00422.96
8.2.160.0080.00822.08
8.2.150.0070.00025.66
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00419.83
8.2.110.0060.00320.94
8.2.100.0080.00817.55
8.2.90.0020.00519.05
8.2.80.0000.00917.97
8.2.70.0050.00317.63
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0040.00418.09
8.2.30.0040.00419.72
8.2.20.0050.00217.77
8.2.10.0030.00517.58
8.2.00.0030.00617.66
8.1.280.0100.00625.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0090.00922.54
8.1.230.0070.00320.88
8.1.220.0040.00418.77
8.1.210.0040.00418.90
8.1.200.0030.00517.23
8.1.190.0050.00317.50
8.1.180.0030.00618.10
8.1.170.0040.00418.71
8.1.160.0060.00318.72
8.1.150.0000.00818.63
8.1.140.0040.00417.24
8.1.130.0030.00317.73
8.1.120.0040.00417.27
8.1.110.0040.00417.26
8.1.100.0050.00317.35
8.1.90.0000.00717.29
8.1.80.0000.00717.31
8.1.70.0030.00317.37
8.1.60.0030.00617.41
8.1.50.0060.00317.46
8.1.40.0040.00417.38
8.1.30.0040.00417.56
8.1.20.0040.00417.57
8.1.10.0040.00417.52
8.1.00.0000.00717.49
8.0.300.0000.00720.03
8.0.290.0050.00316.75
8.0.280.0080.00018.46
8.0.270.0000.00717.23
8.0.260.0000.00816.78
8.0.250.0040.00417.02
8.0.240.0080.00017.00
8.0.230.0000.00716.82
8.0.220.0030.00316.72
8.0.210.0070.00016.91
8.0.200.0030.00316.91
8.0.190.0040.00416.96
8.0.180.0040.00416.83
8.0.170.0040.00416.84
8.0.160.0030.00316.79
8.0.150.0000.00816.89
8.0.140.0000.01016.84
8.0.130.0030.00313.27
8.0.120.0070.00016.79
8.0.110.0000.00716.86
8.0.100.0080.00016.84
8.0.90.0000.00716.70
8.0.80.0090.00616.76
8.0.70.0040.00416.87
8.0.60.0000.00816.88
8.0.50.0040.00416.93
8.0.30.0100.01016.99
8.0.20.0090.01017.40
8.0.10.0050.00316.78
8.0.00.0110.00616.74
7.4.330.0050.00014.67
7.4.320.0070.00016.38
7.4.300.0030.00316.52
7.4.290.0070.00016.52
7.4.280.0090.00016.41
7.4.270.0000.00716.57
7.4.260.0000.00513.14
7.4.250.0000.00816.49
7.4.240.0040.00416.42
7.4.230.0000.00716.50
7.4.220.0150.00416.46
7.4.210.0090.00916.51
7.4.200.0000.00716.35
7.4.190.0000.00816.65
7.4.160.0080.00816.43
7.4.150.0080.01617.40
7.4.140.0110.00517.86
7.4.130.0090.00816.45
7.4.120.0080.00816.43
7.4.110.0070.01116.32
7.4.100.0140.00416.31
7.4.90.0060.00916.47
7.4.80.0090.00619.04
7.4.70.0090.00816.30
7.4.60.0130.00316.49
7.4.50.0060.00316.18
7.4.40.0060.00922.27
7.4.30.0060.00916.32
7.4.00.0100.00414.80
7.3.330.0000.00512.95
7.3.320.0000.00513.05
7.3.310.0030.00316.17
7.3.300.0030.00316.18
7.3.290.0030.01016.19
7.3.280.0090.00716.19
7.3.270.0080.00817.40
7.3.260.0080.01518.24
7.3.250.0080.00816.40
7.3.240.0090.00916.34
7.3.230.0120.00616.39
7.3.210.0100.00616.32
7.3.200.0120.00319.39
7.3.190.0100.01016.45
7.3.180.0060.01016.34
7.3.170.0100.00716.41
7.3.160.0060.00916.42
7.3.120.0070.01114.69
7.3.110.0120.00614.32
7.3.100.0040.01214.36
7.3.90.0060.00614.70
7.3.80.0060.00914.96
7.3.70.0060.00914.75
7.3.60.0090.00314.70
7.3.50.0030.00914.84
7.3.40.0070.01014.79
7.3.30.0100.00714.65
7.3.20.0050.00416.75
7.3.10.0030.00916.57
7.3.00.0030.00616.75
7.2.330.0120.00616.62
7.2.320.0090.01216.66
7.2.310.0100.01316.59
7.2.300.0060.01016.43
7.2.290.0030.01316.42
7.2.250.0110.00814.86
7.2.240.0060.01314.88
7.2.230.0090.00614.80
7.2.220.0120.00614.91
7.2.210.0060.00614.96
7.2.200.0030.01014.83
7.2.190.0070.00714.84
7.2.180.0030.01015.13
7.2.170.0040.00714.93
7.2.60.0110.00416.86
7.2.00.0040.01119.07
7.1.330.0070.00715.59
7.1.320.0040.00815.71
7.1.310.0100.00316.00
7.1.300.0060.00615.85
7.1.290.0080.00515.61
7.1.280.0030.01215.82
7.1.270.0090.00615.56
7.1.260.0060.00615.71
7.1.200.0050.01015.21
7.1.100.0000.01118.17
7.1.70.0000.01117.03
7.1.60.0040.01819.40
7.1.50.0080.00616.82
7.1.00.0070.07322.46
7.0.200.0030.00616.73
7.0.140.0070.06721.92
7.0.60.0300.07319.89
7.0.50.0100.06317.77
7.0.40.3530.04320.24
7.0.30.3330.04020.12
7.0.20.3330.03720.00
7.0.10.3770.05320.11
7.0.00.3000.04320.19
5.6.280.0030.06720.85
5.6.210.0100.06320.67
5.6.200.0100.06318.09
5.6.190.3470.04720.48
5.6.180.3470.03320.33
5.6.170.3130.04320.38
5.6.160.3270.03720.37
5.6.150.3470.04720.24
5.6.140.3600.04720.38
5.6.130.3500.04320.29
5.6.120.1600.07320.22
5.6.110.0030.05320.34
5.6.100.3430.04320.13
5.6.90.3630.05720.46
5.6.80.3270.04019.85
5.6.70.3400.03719.63
5.6.60.4000.04719.75
5.6.50.4030.04019.63
5.6.40.4100.04019.61
5.6.30.1100.04019.63
5.6.20.3670.04319.66
5.6.10.3570.03719.57
5.6.00.3670.04319.56
5.5.350.3830.03720.45
5.5.340.0070.04017.88
5.5.330.1200.05720.28
5.5.320.3400.03320.18
5.5.310.3300.04320.29
5.5.300.3570.04320.04
5.5.290.3630.04720.17
5.5.280.0070.07019.98
5.5.270.0070.08020.17
5.5.260.3270.04320.04
5.5.250.3000.04319.88
5.5.240.4270.05019.49
5.5.230.3470.04319.64
5.5.220.3600.03719.53
5.5.210.3770.04319.45
5.5.200.4270.04719.36
5.5.190.0070.08019.38
5.5.180.0130.07319.36
5.5.160.3700.03319.50
5.5.150.4170.03719.39
5.5.140.3900.04319.45
5.5.130.4170.04019.41
5.5.120.3500.04019.52
5.5.110.3570.03719.49
5.5.100.4230.04019.27
5.5.90.0430.06319.32
5.5.80.0100.08019.44
5.5.70.3900.04019.28
5.5.60.3430.04019.40
5.5.50.3730.03719.18
5.5.40.4130.03319.35
5.5.30.3870.04319.30
5.5.20.4030.04319.45
5.5.10.4030.03719.54
5.5.00.4230.04019.23
5.4.450.3200.04319.45
5.4.440.0070.03719.31
5.4.430.1230.04719.42
5.4.420.3430.04019.34
5.4.410.3670.06019.02
5.4.400.3300.03319.00
5.4.390.3470.04319.21
5.4.380.3270.04319.03
5.4.370.4170.03718.96
5.4.360.3530.04319.21
5.4.350.3800.04318.99
5.4.340.1230.05018.89
5.4.320.3770.03719.03
5.4.310.3870.03719.04
5.4.300.4070.04718.98
5.4.290.4200.03318.96
5.4.280.3530.04018.89
5.4.270.3270.03718.99
5.4.260.3570.03719.03
5.4.250.4370.02319.20
5.4.240.0070.06718.96
5.4.230.1830.06719.07
5.4.220.3830.03718.98
5.4.210.4200.03319.00
5.4.200.3470.03719.20
5.4.190.4130.04018.98
5.4.180.4230.03719.12
5.4.170.4000.03319.20
5.4.160.4270.04019.11
5.4.150.4270.03718.96
5.4.140.3500.03716.18
5.4.130.4100.03716.29
5.4.120.4370.03316.27
5.4.110.3300.04316.25
5.4.100.3600.03316.33
5.4.90.3230.03316.38
5.4.80.3470.03716.27
5.4.70.3470.03716.22
5.4.60.3200.03316.38
5.4.50.3130.03316.38
5.4.40.3430.03016.34
5.4.30.4270.03316.28
5.4.20.3330.03316.30
5.4.10.3200.03716.23
5.4.00.3270.03315.63
5.3.290.4170.04314.46
5.3.280.4270.03714.45
5.3.270.4170.04314.68
5.3.260.3970.03714.42
5.3.250.3470.04014.46
5.3.240.3400.02714.56
5.3.230.4200.04014.56
5.3.220.4270.03714.34
5.3.210.3900.04014.52
5.3.200.3800.03714.55
5.3.190.3330.03314.49
5.3.180.3400.04014.48
5.3.170.3200.03714.48
5.3.160.3500.02314.41
5.3.150.3370.03314.44
5.3.140.3530.03714.50
5.3.130.4030.04014.55
5.3.120.3500.04314.63
5.3.110.3000.04014.46
5.3.100.3430.03013.87
5.3.90.3330.02713.99
5.3.80.3300.03713.95
5.3.70.3400.03013.94
5.3.60.3330.02713.94
5.3.50.3270.03313.86
5.3.40.3170.03013.88
5.3.30.3230.03313.90
5.3.20.4370.04713.68
5.3.10.4200.03013.51
5.3.00.4170.03713.50
5.2.170.2700.03011.09
5.2.160.3000.02010.94
5.2.150.2470.03011.09
5.2.140.2800.02711.09
5.2.130.3570.02711.24
5.2.120.3130.03311.06
5.2.110.3170.03710.93
5.2.100.3430.03011.10
5.2.90.3570.03010.93
5.2.80.3370.03311.06
5.2.70.2970.03311.01
5.2.60.2830.02310.83
5.2.50.2230.03010.99
5.2.40.2530.02310.89
5.2.30.2270.03710.96
5.2.20.1700.02710.91
5.2.10.2100.03310.84
5.2.00.2400.03010.74
5.1.60.2530.0339.97
5.1.50.2600.0209.95
5.1.40.3730.0139.90
5.1.30.2800.03010.33
5.1.20.2630.02710.39
5.1.10.2730.02310.12
5.1.00.2570.03010.12
5.0.50.1530.0208.68
5.0.40.1800.0208.34
5.0.30.1500.0338.29
5.0.20.1370.0178.11
5.0.10.1330.0238.22
5.0.00.1300.0308.20
4.4.90.1400.0175.88
4.4.80.1430.0175.80
4.4.70.1100.0135.73
4.4.60.1100.0135.80
4.4.50.1200.0175.81
4.4.40.0900.0335.73
4.4.30.1300.0105.78
4.4.20.1430.0175.85
4.4.10.1300.0175.95
4.4.00.1570.0275.84
4.3.110.1630.0175.72
4.3.100.1730.0135.81
4.3.90.1630.0135.78
4.3.80.1370.0205.79
4.3.70.1530.0175.78
4.3.60.1100.0175.69
4.3.50.1230.0175.76
4.3.40.1300.0235.75
4.3.30.0770.0235.28
4.3.20.0730.0175.28
4.3.10.0930.0205.28
4.3.00.0800.0205.28

preferences:
48.95 ms | 401 KiB | 5 Q