3v4l.org

run code in 300+ PHP versions simultaneously
<?php $float = 0.00000038; echo "float: $float\n"; $str = (string)$float; echo "string: $str\n"; $n_dec = strlen(substr(strrchr($str, '.'), 1)); echo "$n_dec\n"; echo number_format($float, $n_dec), "\n"; echo number_format($float, 8), "\n";

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)
8.3.60.0110.00418.30
8.3.50.0090.00621.02
8.3.40.0120.00618.75
8.3.30.0060.00920.30
8.3.20.0020.00520.25
8.3.10.0080.00022.08
8.3.00.0040.00422.40
8.2.180.0070.01416.47
8.2.170.0100.00322.96
8.2.160.0180.00022.25
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.86
8.2.110.0030.00721.23
8.2.100.0110.00017.78
8.2.90.0030.00618.16
8.2.80.0000.00817.97
8.2.70.0050.00317.80
8.2.60.0050.00517.92
8.2.50.0040.00418.10
8.2.40.0050.00420.72
8.2.30.0070.00019.36
8.2.20.0080.00017.85
8.2.10.0040.00417.73
8.2.00.0090.00017.85
8.1.270.0050.00323.99
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0100.00023.98
8.1.230.0080.00320.97
8.1.220.0000.00817.77
8.1.210.0080.00019.10
8.1.200.0040.00417.35
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0050.00318.64
8.1.160.0050.00318.80
8.1.150.0070.00018.51
8.1.140.0000.00717.36
8.1.130.0030.00317.92
8.1.120.0070.00017.37
8.1.110.0090.00317.49
8.1.100.0030.00717.33
8.1.90.0040.00417.50
8.1.80.0000.00717.43
8.1.70.0000.00717.47
8.1.60.0000.00917.71
8.1.50.0000.00817.49
8.1.40.0080.00017.55
8.1.30.0040.00417.61
8.1.20.0000.00817.58
8.1.10.0070.00017.57
8.1.00.0030.00617.45
8.0.300.0000.00719.89
8.0.290.0000.00716.75
8.0.280.0070.00018.50
8.0.270.0070.00017.37
8.0.260.0030.00316.91
8.0.250.0030.00317.02
8.0.240.0040.00417.02
8.0.230.0030.00317.00
8.0.220.0030.00316.96
8.0.210.0040.00416.92
8.0.200.0000.00716.95
8.0.190.0000.00716.88
8.0.180.0040.00416.88
8.0.170.0040.00417.00
8.0.160.0030.00316.82
8.0.150.0040.00416.84
8.0.140.0030.00616.96
8.0.130.0050.00013.33
8.0.120.0040.00416.97
8.0.110.0000.00816.91
8.0.100.0030.00316.98
8.0.90.0040.00416.84
8.0.80.0080.00816.91
8.0.70.0000.00716.76
8.0.60.0000.00716.78
8.0.50.0070.00016.79
8.0.30.0090.00917.25
8.0.20.0090.00917.40
8.0.10.0080.00017.03
8.0.00.0090.00916.79
7.4.330.0000.00615.00
7.4.320.0000.00716.57
7.4.300.0000.00616.45
7.4.290.0030.00316.45
7.4.280.0000.01016.58
7.4.270.0000.00716.48
7.4.260.0060.00013.39
7.4.250.0000.00816.53
7.4.240.0050.00216.61
7.4.230.0000.00716.68
7.4.220.0040.01516.59
7.4.210.0090.00716.57
7.4.200.0030.00416.45
7.4.190.0000.00716.61
7.4.160.0070.01016.38
7.4.150.0100.00717.40
7.4.140.0110.00617.86
7.4.130.0120.00816.44
7.4.120.0080.00916.57
7.4.110.0100.00716.56
7.4.100.0090.00916.48
7.4.90.0030.01616.58
7.4.80.0120.00619.39
7.4.70.0070.01016.60
7.4.60.0090.01016.72
7.4.50.0000.00816.62
7.4.40.0070.01022.77
7.4.30.0090.00916.74
7.4.10.0110.00714.99
7.4.00.0090.00814.77
7.3.330.0000.00513.26
7.3.320.0000.00513.17
7.3.310.0000.00716.36
7.3.300.0050.00216.30
7.3.290.0070.01316.29
7.3.280.0080.00716.36
7.3.270.0090.00917.40
7.3.260.0120.00616.27
7.3.250.0100.01016.68
7.3.240.0100.00716.39
7.3.230.0140.00316.50
7.3.210.0060.01016.34
7.3.200.0030.01319.39
7.3.190.0120.00616.49
7.3.180.0000.01616.48
7.3.170.0100.00516.64
7.3.160.0000.01716.60
7.3.130.0070.01114.73
7.3.120.0100.00714.81
7.3.110.0060.00914.91
7.3.100.0040.00814.57
7.3.90.0040.01114.84
7.3.80.0000.01314.87
7.3.70.0000.01014.38
7.3.60.0070.00714.86
7.3.50.0030.00714.73
7.3.40.0070.00714.48
7.3.30.0110.00614.73
7.3.20.0030.00616.68
7.3.10.0040.00716.66
7.3.00.0000.00916.82
7.2.330.0100.00716.66
7.2.320.0120.00916.36
7.2.310.0090.01516.42
7.2.300.0080.00816.32
7.2.290.0080.01216.62
7.2.260.0070.01015.05
7.2.250.0060.01114.46
7.2.240.0000.01515.02
7.2.230.0050.00514.88
7.2.220.0060.00314.80
7.2.210.0030.01414.87
7.2.200.0060.00614.80
7.2.190.0080.00815.03
7.2.180.0000.01114.80
7.2.170.0060.00714.64
7.2.160.0030.00715.03
7.2.150.0070.00316.89
7.2.140.0040.00716.80
7.2.130.0100.00316.63
7.2.120.0070.01016.89
7.2.110.0050.01116.52
7.2.100.1250.00616.59
7.2.90.0090.00616.61
7.2.80.0090.00716.52
7.2.70.0160.00416.81
7.2.60.0150.00316.92
7.2.50.0330.00616.88
7.2.40.0160.00316.82
7.2.30.0130.00416.79
7.2.20.0120.00616.70
7.2.10.0190.00816.97
7.2.00.0100.00517.60
7.1.330.0000.01515.84
7.1.320.0060.00315.88
7.1.310.0060.00315.86
7.1.300.0040.00815.78
7.1.290.0030.01215.92
7.1.280.0030.00615.93
7.1.270.0030.00915.94
7.1.260.0060.00615.64
7.1.250.0000.01016.05
7.1.240.0030.01016.05
7.1.230.0090.00615.67
7.1.220.0970.00315.81
7.1.210.0070.01115.89
7.1.200.0100.00715.69
7.1.190.0190.00815.83
7.1.180.0060.01015.67
7.1.170.0070.00815.83
7.1.160.0270.00515.82
7.1.150.0120.00515.67
7.1.140.0110.00515.82
7.1.130.0100.00815.91
7.1.120.0100.00415.73
7.1.110.0020.01315.65
7.1.100.0110.00616.45
7.1.90.0080.00715.68
7.1.80.0100.00515.80
7.1.70.0060.00616.16
7.1.60.0110.01016.99
7.1.50.0090.01116.21
7.1.40.0100.00716.01
7.1.30.0100.00915.82
7.1.20.0070.00715.79
7.1.10.0110.00515.75
7.1.00.0060.02618.06
7.0.330.0040.00415.39
7.0.320.0040.00415.34
7.0.310.0080.00815.37
7.0.300.0040.01015.40
7.0.290.0050.00615.28
7.0.280.0060.00815.32
7.0.270.0050.00615.18
7.0.260.0060.00715.37
7.0.250.0040.00915.47
7.0.240.0080.00715.60
7.0.230.0080.00615.51
7.0.220.0060.01215.45
7.0.210.0050.00915.36
7.0.200.0070.00415.76
7.0.190.0070.00615.41
7.0.180.0100.00615.29
7.0.170.0070.00815.57
7.0.160.0050.00815.41
7.0.150.0100.00615.38
7.0.140.0070.02917.67
7.0.130.0060.00615.50
7.0.120.0160.00815.40
7.0.110.0090.00415.37
7.0.100.0060.03216.88
7.0.90.0090.03216.87
7.0.80.0130.02816.92
7.0.70.0060.03316.89
7.0.60.0110.02916.83
7.0.50.0090.03016.98
7.0.40.0100.02815.68
7.0.30.0090.03315.65
7.0.20.0090.03115.63
7.0.10.0110.02815.69
7.0.00.0120.02515.55
5.6.400.0030.01014.30
5.6.390.0000.00914.32
5.6.380.0070.00514.37
5.6.370.0110.00314.27
5.6.360.0090.00714.10
5.6.350.0060.00614.39
5.6.340.0080.00614.30
5.6.330.0070.00514.21
5.6.320.0090.00614.18
5.6.310.0070.00814.39
5.6.300.0080.01014.48
5.6.290.0050.01114.27
5.6.280.0070.02816.42
5.6.270.0050.01014.38
5.6.260.0070.00914.40
5.6.250.0060.03016.49
5.6.240.0050.03416.33
5.6.230.0080.03016.31
5.6.220.0060.03316.40
5.6.210.0160.02216.45
5.6.200.0080.02216.57
5.6.190.0150.02816.65
5.6.180.0060.03216.48
5.6.170.0060.03116.43
5.6.160.0070.03116.46
5.6.150.0050.02516.57
5.6.140.0040.03616.54
5.6.130.0050.03316.49
5.6.120.0020.02416.43
5.6.110.0080.02116.51
5.6.100.0110.02716.40
5.6.90.0100.03116.41
5.6.80.0100.02716.27
5.6.70.0060.02216.29
5.6.60.0050.03316.30
5.6.50.0080.02916.24
5.6.40.0130.02916.13
5.6.30.0050.03016.30
5.6.20.0070.03216.29
5.6.10.0080.03016.36
5.6.00.0070.03016.25
5.5.380.0060.03215.86
5.5.370.0040.03115.78
5.5.360.0090.02215.78
5.5.350.0120.02115.82
5.5.340.0070.03116.01
5.5.330.0100.03015.80
5.5.320.0060.03015.94
5.5.310.0100.02715.90
5.5.300.0090.02815.95
5.5.290.0090.02916.01
5.5.280.0060.02615.88
5.5.270.0040.02815.86
5.5.260.0050.03515.99
5.5.250.0110.02415.82
5.5.240.0070.02815.77
5.5.230.0100.02815.62
5.5.220.0030.03515.65
5.5.210.0050.03015.70
5.5.200.0040.03115.66
5.5.190.0080.02815.70
5.5.180.0090.02815.65
5.5.170.0060.00714.09
5.5.160.0090.02815.72
5.5.150.0060.03015.57
5.5.140.0060.03015.77
5.5.130.0080.03015.60
5.5.120.0060.03315.67
5.5.110.0090.03115.70
5.5.100.0080.02415.65
5.5.90.0070.02815.66
5.5.80.0020.03515.72
5.5.70.0080.02815.71
5.5.60.0110.02615.61
5.5.50.0070.02615.66
5.5.40.0120.02615.63
5.5.30.0090.02815.59
5.5.20.0080.01715.65
5.5.10.0050.02915.61
5.5.00.0080.02715.56
5.4.450.0030.02215.20
5.4.440.0020.03215.13
5.4.430.0060.03015.16
5.4.420.0040.03415.19
5.4.410.0070.02915.13
5.4.400.0090.02815.05
5.4.390.0040.03115.07
5.4.380.0060.02815.11
5.4.370.0070.02715.13
5.4.360.0060.03115.07
5.4.350.0060.03015.09
5.4.340.0030.03215.13
5.4.330.0030.00513.09
5.4.320.0080.02315.13
5.4.310.0070.02615.01
5.4.300.0060.02015.08
5.4.290.0050.02815.08
5.4.280.0060.02915.12
5.4.270.0080.02715.12
5.4.260.0060.02715.07
5.4.250.0030.03115.11
5.4.240.0050.02815.08
5.4.230.0030.03215.15
5.4.220.0050.03015.10
5.4.210.0070.02815.10
5.4.200.0060.02815.05
5.4.190.0080.02515.12
5.4.180.0030.03115.09
5.4.170.0100.02515.09
5.4.160.0030.03115.06
5.4.150.0080.02815.08
5.4.140.0060.02814.16
5.4.130.0070.02614.16
5.4.120.0050.02914.09
5.4.110.0080.02514.20
5.4.100.0060.01414.21
5.4.90.0040.02214.17
5.4.80.0050.02614.20
5.4.70.0050.01514.20
5.4.60.0050.02014.15
5.4.50.0050.01414.14
5.4.40.0040.01614.22
5.4.30.0070.02114.17
5.4.20.0070.01714.19
5.4.10.0060.01614.19
5.4.00.0060.01413.99
5.3.290.0020.03113.58
5.3.280.0050.02913.56
5.3.270.0060.02813.57
5.3.260.0060.02913.57
5.3.250.0080.02413.57
5.3.240.0110.02313.60
5.3.230.0080.02613.57
5.3.220.0090.01613.56
5.3.210.0030.02013.55
5.3.200.0080.01513.56
5.3.190.0050.01613.56
5.3.180.0040.01513.57
5.3.170.0010.01813.54
5.3.160.0040.01613.56
5.3.150.0070.01413.59
5.3.140.0030.02113.60
5.3.130.0060.01313.58
5.3.120.0050.01413.56
5.3.110.0040.01613.59
5.3.100.0030.01613.38
5.3.90.0060.01313.38
5.3.80.0050.01313.38
5.3.70.0020.02613.40
5.3.60.0060.01913.39
5.3.50.0060.02013.33
5.3.40.0030.01613.33
5.3.30.0060.02513.36
5.3.20.0030.03013.24
5.3.10.0070.02513.23
5.3.00.0010.01813.26
5.2.170.0090.02012.48
5.2.160.0080.02512.48
5.2.150.0030.02212.48
5.2.140.0040.01512.48
5.2.130.0070.01512.48
5.2.120.0030.01812.48
5.2.110.0030.01512.48
5.2.100.0020.01912.48
5.2.90.0050.01512.48
5.2.80.0080.02012.48
5.2.70.0030.01812.48
5.2.60.0080.01312.48
5.2.50.0060.02112.48
5.2.40.0050.01512.48
5.2.30.0120.02212.48
5.2.20.0070.02012.48
5.2.10.0060.02612.48
5.2.00.0020.02112.48
5.1.60.0020.02212.48
5.1.50.0060.01012.48
5.1.40.0020.02212.48
5.1.30.0070.01412.48
5.1.20.0080.03012.48
5.1.10.0020.02012.48
5.1.00.0070.01312.48
5.0.50.0020.01012.48
5.0.40.0010.02312.48
5.0.30.0020.02412.48
5.0.20.0040.01012.48
5.0.10.0020.01112.48
5.0.00.0020.02312.48
4.4.90.0020.00712.48
4.4.80.0050.01312.48
4.4.70.0020.00912.48
4.4.60.0020.00712.48
4.4.50.0020.00912.48
4.4.40.0040.01412.48
4.4.30.0080.00512.48
4.4.20.0020.00812.48
4.4.10.0020.00912.48
4.4.00.0010.02112.48
4.3.110.0020.00812.48
4.3.100.0000.01212.48
4.3.90.0060.01012.48
4.3.80.0020.01412.48
4.3.70.0040.01712.48
4.3.60.0020.01012.48
4.3.50.0020.00912.48
4.3.40.0000.01712.48
4.3.30.0000.00912.48
4.3.20.0000.01212.48
4.3.10.0010.00912.48
4.3.00.0050.00512.48

preferences:
58.82 ms | 400 KiB | 5 Q