3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "0.00"; echo empty($var);

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)
8.3.40.0110.00418.55
8.3.30.0130.00618.79
8.3.20.0080.00020.21
8.3.10.0040.00422.07
8.3.00.0000.00822.30
8.2.170.0100.01022.96
8.2.160.0120.00322.17
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00019.83
8.2.110.0030.00620.53
8.2.100.0090.00319.50
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00417.79
8.2.50.0000.00818.07
8.2.40.0000.00718.16
8.2.30.0000.00718.00
8.2.20.0070.00017.52
8.2.10.0000.00717.48
8.2.00.0020.00517.60
8.1.270.0090.00022.14
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.78
8.1.230.0040.00719.16
8.1.220.0050.00317.79
8.1.210.0080.00018.77
8.1.200.0100.00017.23
8.1.190.0050.00317.39
8.1.180.0060.00318.10
8.1.170.0040.00418.65
8.1.160.0040.00421.95
8.1.150.0000.00718.44
8.1.140.0040.00417.38
8.1.130.0030.00317.82
8.1.120.0070.00017.37
8.1.110.0050.00217.43
8.1.100.0050.00317.44
8.1.90.0000.00717.35
8.1.80.0070.00017.39
8.1.70.0030.00517.38
8.1.60.0000.01017.43
8.1.50.0040.00417.31
8.1.40.0000.00717.34
8.1.30.0040.00417.54
8.1.20.0000.00817.58
8.1.10.0050.00317.44
8.1.00.0060.00317.35
8.0.300.0040.00418.77
8.0.290.0070.00017.15
8.0.280.0000.00718.36
8.0.270.0040.00417.16
8.0.260.0000.00616.86
8.0.250.0070.00016.92
8.0.240.0000.00716.88
8.0.230.0030.00316.80
8.0.220.0070.00016.79
8.0.210.0070.00016.83
8.0.200.0060.00016.84
8.0.190.0040.00416.89
8.0.180.0080.00016.90
8.0.170.0040.00416.75
8.0.160.0050.00316.73
8.0.150.0030.00516.79
8.0.140.0080.00016.77
8.0.130.0090.00013.21
8.0.120.0040.00416.73
8.0.110.0040.00416.82
8.0.100.0000.00716.79
8.0.90.0070.00016.64
8.0.80.0040.01116.84
8.0.70.0040.00416.80
8.0.60.0000.00816.62
8.0.50.0040.00416.87
8.0.30.0090.00916.96
8.0.20.0120.00717.40
8.0.10.0030.00516.91
8.0.00.0130.00916.56
7.4.330.0000.00715.00
7.4.320.0000.00616.39
7.4.300.0040.00416.55
7.4.290.0040.00416.45
7.4.280.0000.00716.50
7.4.270.0040.00416.52
7.4.260.0080.00016.32
7.4.250.0040.00416.29
7.4.240.0000.00816.53
7.4.230.0000.00716.18
7.4.220.0140.00316.55
7.4.210.0080.00716.49
7.4.200.0070.00016.63
7.4.190.0030.00316.57
7.4.160.0120.00416.42
7.4.150.0000.01717.40
7.4.140.0160.00517.86
7.4.130.0110.00716.48
7.4.120.0100.00816.53
7.4.110.0130.00316.51
7.4.100.0120.00616.53
7.4.90.0160.00616.39
7.4.80.0130.00319.39
7.4.70.0060.01216.48
7.4.60.0090.01116.45
7.4.50.0030.00316.32
7.4.40.0100.00622.77
7.4.30.0080.00816.30
7.4.10.0030.01415.01
7.4.00.0080.00814.89
7.3.330.0050.00013.02
7.3.320.0000.00512.84
7.3.310.0000.00716.05
7.3.300.0000.00616.16
7.3.290.0100.01016.09
7.3.280.0100.00916.11
7.3.270.0110.01217.40
7.3.260.0110.00716.04
7.3.250.0100.00816.33
7.3.240.0140.00516.16
7.3.230.0090.01316.50
7.3.210.0030.01316.25
7.3.200.0100.01019.39
7.3.190.0090.01316.50
7.3.180.0040.01116.15
7.3.170.0030.01616.38
7.3.160.0060.00916.40
7.3.130.0090.00614.89
7.3.120.0130.00514.77
7.3.110.0110.00714.43
7.3.100.0090.00614.49
7.3.90.0040.01114.65
7.3.80.0030.00714.82
7.3.70.0080.00014.70
7.3.60.0030.00514.79
7.3.50.0000.01514.61
7.3.40.0060.01014.54
7.3.30.0090.00314.59
7.3.20.0040.00416.48
7.3.10.0060.00616.60
7.3.00.0110.00616.33
7.2.330.0090.00916.63
7.2.320.0000.02016.59
7.2.310.0100.01016.31
7.2.300.0030.01416.22
7.2.290.0070.01016.24
7.2.260.0040.01114.91
7.2.250.0030.01414.77
7.2.240.0090.00314.93
7.2.230.0070.00715.00
7.2.220.0060.00914.84
7.2.210.0000.01514.89
7.2.200.0060.00914.90
7.2.190.0100.00714.80
7.2.180.0060.00614.89
7.2.170.0030.01014.83
7.2.160.0030.01014.84
7.2.150.0060.01316.59
7.2.140.0090.00916.72
7.2.130.0040.00816.73
7.2.120.0080.00416.59
7.2.110.0120.00316.70
7.2.100.0120.00316.48
7.2.90.0080.00416.92
7.2.80.0070.00716.67
7.2.70.0070.00416.91
7.2.60.0060.00916.77
7.2.50.0060.00916.69
7.2.40.0060.00916.82
7.2.30.0060.00816.90
7.2.20.0040.01116.77
7.2.10.0070.00716.51
7.2.00.0070.00716.68
7.1.330.0050.00815.62
7.1.320.0030.00615.65
7.1.310.0060.00615.73
7.1.300.0030.01315.51
7.1.290.0090.00315.76
7.1.280.0060.00615.44
7.1.270.0070.01015.29
7.1.260.0030.01015.50
7.1.250.0060.00615.53
7.1.240.0030.00615.36
7.1.230.0080.00415.43
7.1.220.0070.01015.77
7.1.210.0000.00815.59
7.1.200.0070.00415.72
7.1.190.0070.00415.54
7.1.180.0050.00315.51
7.1.170.0060.00315.74
7.1.160.0070.00715.75
7.1.150.0080.00415.59
7.1.140.0060.00615.64
7.1.130.0030.00515.50
7.1.120.0100.00315.66
7.1.110.0070.00415.57
7.1.100.0100.00315.56
7.1.90.0070.00715.57
7.1.80.0030.00615.60
7.1.70.0040.00616.32
7.1.60.0050.01017.58
7.1.50.0130.00016.27
7.1.40.0060.00615.72
7.1.30.0040.01115.49
7.1.20.0040.00715.28
7.1.10.0110.00015.66
7.1.00.0050.04019.04
7.0.330.0080.00315.18
7.0.320.0040.00815.36
7.0.310.0080.00015.11
7.0.300.0060.00315.14
7.0.290.0050.00515.18
7.0.280.0000.00815.21
7.0.270.0030.00814.96
7.0.260.0060.00814.96
7.0.250.0040.00415.24
7.0.240.0030.01015.32
7.0.230.0090.00015.29
7.0.220.0000.01115.46
7.0.210.0110.00315.21
7.0.200.0060.00716.01
7.0.190.0030.01015.29
7.0.180.0040.00915.27
7.0.170.0030.01015.23
7.0.160.0060.00615.23
7.0.150.0030.01015.25
7.0.140.0050.03818.60
7.0.130.0060.00314.96
7.0.120.0070.00715.45
7.0.110.0030.01315.31
7.0.100.0050.03217.45
7.0.90.0080.02317.62
7.0.80.0010.03717.66
7.0.70.0090.02317.64
7.0.60.0080.04317.69
7.0.50.0130.03017.76
7.0.40.0070.04216.72
7.0.30.0060.02616.70
7.0.20.0050.04416.77
7.0.10.0100.04016.74
7.0.00.0020.02716.70
5.6.400.0030.01514.27
5.6.390.0030.00514.59
5.6.380.0120.00314.17
5.6.370.0000.00814.02
5.6.360.0030.00714.47
5.6.350.0040.00914.20
5.6.340.0060.01014.21
5.6.330.0030.01314.37
5.6.320.0030.01314.48
5.6.310.0000.01414.43
5.6.300.0060.00313.80
5.6.290.0060.00614.40
5.6.280.0020.04317.57
5.6.270.0030.00614.35
5.6.260.0040.01113.98
5.6.250.0030.02817.52
5.6.240.0100.04317.37
5.6.230.0060.04317.30
5.6.220.0050.04517.36
5.6.210.0020.04117.52
5.6.200.0070.03817.65
5.6.190.0120.04417.53
5.6.180.0050.03517.67
5.6.170.0100.04317.58
5.6.160.0130.04217.50
5.6.150.0030.03017.69
5.6.140.0090.03517.80
5.6.130.0060.04317.60
5.6.120.0080.02517.70
5.6.110.0080.04417.49
5.6.100.0080.04217.52
5.6.90.0080.04117.53
5.6.80.0030.04317.22
5.6.70.0040.02617.22
5.6.60.0070.04217.33
5.6.50.0090.04117.28
5.6.40.0120.04017.40
5.6.30.0080.03717.14
5.6.20.0080.04017.30
5.6.10.0040.04117.24
5.6.00.0040.02917.22
5.5.380.0060.04017.32
5.5.370.0100.04017.06
5.5.360.0030.02817.37
5.5.350.0100.03917.30
5.5.340.0040.04617.62
5.5.330.0090.03417.44
5.5.320.0090.02317.48
5.5.310.0120.03917.44
5.5.300.0150.03717.55
5.5.290.0050.04717.57
5.5.280.0050.03917.48
5.5.270.0110.04017.27
5.5.260.0090.04617.25
5.5.250.0020.04517.43
5.5.240.0080.04317.13
5.5.230.0080.03817.13
5.5.220.0100.02017.07
5.5.210.0060.04517.19
5.5.200.0080.01817.12
5.5.190.0050.02917.02
5.5.180.0080.03517.08
5.5.170.0070.00714.13
5.5.160.0070.03617.16
5.5.150.0020.04317.18
5.5.140.0070.04317.20
5.5.130.0100.03417.19
5.5.120.0070.04017.21
5.5.110.0070.03817.17
5.5.100.0030.04816.95
5.5.90.0050.04016.92
5.5.80.0020.02516.99
5.5.70.0040.03817.06
5.5.60.0080.03817.11
5.5.50.0060.04316.88
5.5.40.0080.03817.12
5.5.30.0060.02816.85
5.5.20.0050.03217.01
5.5.10.0060.03817.00
5.5.00.0100.03817.06
5.4.450.0080.02415.23
5.4.440.0100.03615.13
5.4.430.0100.03715.31
5.4.420.0080.02315.30
5.4.410.0070.03414.98
5.4.400.0120.01814.84
5.4.390.0030.04515.03
5.4.380.0130.03114.73
5.4.370.0030.04114.86
5.4.360.0030.04214.97
5.4.350.0050.03814.92
5.4.340.0060.03414.75
5.4.330.0060.00310.91
5.4.320.0050.04215.03
5.4.310.0020.02614.85
5.4.300.0110.02214.80
5.4.290.0100.03915.02
5.4.280.0090.03114.92
5.4.270.0060.04114.79
5.4.260.0030.02814.91
5.4.250.0080.03714.96
5.4.240.0020.02514.95
5.4.230.0070.03314.99
5.4.220.0070.03314.96
5.4.210.0100.01814.87
5.4.200.0050.03914.99
5.4.190.0100.03114.93
5.4.180.0060.04114.91
5.4.170.0030.03514.93
5.4.160.0070.03014.88
5.4.150.0030.03714.87
5.4.140.0020.03213.48
5.4.130.0050.04013.71
5.4.120.0030.04213.36
5.4.110.0090.03213.68
5.4.100.0020.03813.41
5.4.90.0070.04213.56
5.4.80.0050.03913.57
5.4.70.0030.03913.49
5.4.60.0080.03313.59
5.4.50.0090.02513.57
5.4.40.0030.02713.66
5.4.30.0080.03813.51
5.4.20.0030.03913.56
5.4.10.0050.03913.61
5.4.00.0030.03713.34
5.3.290.0010.03912.57
5.3.280.0030.03812.51
5.3.270.0140.01812.42
5.3.260.0020.02612.55
5.3.250.0060.02312.50
5.3.240.0060.03812.35
5.3.230.0040.02612.39
5.3.220.0080.03812.38
5.3.210.0020.02912.37
5.3.200.0080.02112.38
5.3.190.0030.04212.38
5.3.180.0050.04212.42
5.3.170.0020.03312.41
5.3.160.0050.04012.39
5.3.150.0080.04112.40
5.3.140.0080.03812.43
5.3.130.0080.04012.32
5.3.120.0050.04012.48
5.3.110.0120.03212.42
5.3.100.0030.04212.17
5.3.90.0050.04012.15
5.3.80.0070.03712.17
5.3.70.0030.04012.10
5.3.60.0080.03812.14
5.3.50.0050.02211.98
5.3.40.0070.04112.08
5.3.30.0070.03812.03
5.3.20.0050.03711.96
5.3.10.0090.03311.94
5.3.00.0040.03911.93
5.2.170.0030.06010.99
5.2.160.0130.05011.09
5.2.150.0030.03711.13
5.2.140.0070.06010.89
5.2.130.0070.03011.16
5.2.120.0000.05711.16
5.2.110.0070.06011.09
5.2.100.0000.06011.16
5.2.90.0100.04311.13
5.2.80.0030.03710.91
5.2.70.0030.06711.08
5.2.60.0070.06310.89
5.2.50.0030.05710.93
5.2.40.0130.05011.03
5.2.30.0070.04710.76
5.2.20.0000.05010.80
5.2.10.0100.04710.91
5.2.00.0070.04710.64
5.1.60.0100.0479.99
5.1.50.0000.0579.88
5.1.40.0030.0339.97
5.1.30.0070.05010.39
5.1.20.0070.04010.39
5.1.10.0030.05010.05
5.1.00.0030.0409.94
5.0.50.0030.0278.59
5.0.40.0070.0308.40
5.0.30.0000.0678.13
5.0.20.0030.0338.20
5.0.10.0000.0278.25
5.0.00.0000.0408.13
4.4.90.0030.0338.13
4.4.80.0000.0378.13
4.4.70.0000.0378.13
4.4.60.0030.0338.13
4.4.50.0000.0378.13
4.4.40.0030.0478.13
4.4.30.0030.0338.13
4.4.20.0100.0278.13
4.4.10.0030.0338.13
4.4.00.0030.0278.13
4.3.110.0030.0238.13
4.3.100.0030.0338.13
4.3.90.0000.0278.13
4.3.80.0070.0438.13
4.3.70.0030.0278.13
4.3.60.0030.0308.13
4.3.50.0000.0338.13
4.3.40.0030.0508.13
4.3.30.0030.0238.13
4.3.20.0000.0238.13
4.3.10.0000.0378.13
4.3.00.0070.0238.13

preferences:
63.85 ms | 400 KiB | 5 Q