3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 's'; var_dump(empty($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)
8.3.40.0120.00318.59
8.3.30.0080.00818.79
8.3.20.0090.00320.04
8.3.10.0070.00023.48
8.3.00.0040.00420.90
8.2.170.0090.00622.96
8.2.160.0170.00020.38
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00320.33
8.2.110.0040.00422.22
8.2.100.0070.00417.97
8.2.90.0070.00019.09
8.2.80.0030.00517.97
8.2.70.0000.01017.37
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0040.00419.75
8.2.30.0030.00618.28
8.2.20.0050.00317.49
8.2.10.0050.00317.91
8.2.00.0050.00217.47
8.1.270.0040.00423.96
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.19
8.1.230.0110.00019.01
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0000.00917.10
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0040.00421.89
8.1.150.0000.00818.68
8.1.140.0000.00717.37
8.1.130.0030.00317.79
8.1.120.0030.00317.44
8.1.110.0070.00017.43
8.1.100.0020.00517.43
8.1.90.0040.00317.28
8.1.80.0040.00317.37
8.1.70.0030.00517.24
8.1.60.0040.00717.40
8.1.50.0030.00617.34
8.1.40.0030.00617.40
8.1.30.0040.00417.57
8.1.20.0040.00417.53
8.1.10.0000.00817.39
8.1.00.0030.00817.42
8.0.300.0030.00618.77
8.0.290.0070.00017.16
8.0.280.0080.00018.29
8.0.270.0000.00717.19
8.0.260.0030.00317.12
8.0.250.0030.00316.80
8.0.240.0040.00416.90
8.0.230.0070.00016.84
8.0.220.0050.00216.79
8.0.210.0060.00316.75
8.0.200.0040.00416.88
8.0.190.0030.00516.79
8.0.180.0000.00716.82
8.0.170.0030.00616.84
8.0.160.0000.00816.68
8.0.150.0040.00416.71
8.0.140.0000.00716.72
8.0.130.0000.00613.27
8.0.120.0060.00316.78
8.0.110.0000.00716.73
8.0.100.0000.00716.77
8.0.90.0040.00416.62
8.0.80.0030.01216.82
8.0.70.0040.00416.68
8.0.60.0070.00016.82
8.0.50.0040.00416.82
8.0.30.0100.00916.98
8.0.20.0110.00817.40
8.0.10.0040.00416.82
8.0.00.0080.00816.65
7.4.330.0050.00015.00
7.4.320.0000.00616.35
7.4.300.0050.00216.44
7.4.290.0030.00316.29
7.4.280.0060.00316.43
7.4.270.0040.00416.53
7.4.260.0070.00416.34
7.4.250.0040.00416.43
7.4.240.0010.00616.42
7.4.230.0000.00716.26
7.4.220.0090.00916.46
7.4.210.0000.01516.52
7.4.200.0030.00316.51
7.4.160.0090.00616.23
7.4.150.0120.00617.40
7.4.140.0150.00917.86
7.4.130.0070.00916.44
7.4.120.0110.00516.42
7.4.110.0100.00616.56
7.4.100.0150.00816.28
7.4.90.0100.00716.14
7.4.80.0070.01519.39
7.4.70.0130.01016.33
7.4.60.0070.01016.36
7.4.50.0050.00016.22
7.4.40.0160.00016.36
7.4.30.0030.01316.36
7.4.00.0070.01014.96
7.3.330.0000.00513.05
7.3.320.0050.00312.99
7.3.310.0030.00316.25
7.3.300.0000.00716.03
7.3.290.0110.00316.15
7.3.280.0130.00416.10
7.3.270.0060.00917.40
7.3.260.0140.01016.28
7.3.250.0110.00716.06
7.3.240.0180.01216.15
7.3.230.0060.01016.39
7.3.210.0190.00016.35
7.3.200.0030.01919.39
7.3.190.0090.00616.43
7.3.180.0100.00616.17
7.3.170.0030.01216.27
7.3.160.0090.00616.48
7.3.120.0090.00614.57
7.3.10.0110.00616.48
7.3.00.0080.00616.39
7.2.330.0100.00616.39
7.2.320.0130.01016.50
7.2.310.0030.01316.57
7.2.300.0130.00316.39
7.2.290.0090.01016.64
7.2.130.0100.00816.72
7.2.120.0050.01016.70
7.2.110.0050.01016.72
7.2.100.0050.00816.63
7.2.90.0060.00916.66
7.2.80.0050.00816.67
7.2.70.0060.00816.56
7.2.60.0070.00816.82
7.2.50.0070.00616.56
7.2.40.0060.00716.62
7.2.30.0090.00716.58
7.2.20.0050.00516.74
7.2.10.0070.00616.64
7.2.00.0050.00917.36
7.1.250.0080.00315.63
7.1.240.0070.00015.32
7.1.230.0000.00715.72
7.1.220.0070.00315.45
7.1.210.0070.00715.70
7.1.200.0070.00715.66
7.1.190.0000.01215.69
7.1.180.0030.01015.66
7.1.170.0110.00415.72
7.1.160.0080.00815.50
7.1.150.0000.01315.53
7.1.140.0060.00615.46
7.1.130.0100.00315.62
7.1.120.0060.00615.46
7.1.110.0060.00615.55
7.1.100.0030.01016.83
7.1.90.0000.01215.62
7.1.80.0000.01315.61
7.1.70.0070.00616.38
7.1.60.0070.01317.52
7.1.50.0080.01016.22
7.1.40.0090.00315.72
7.1.30.0030.01315.41
7.1.20.0040.00415.51
7.1.10.0030.00715.68
7.1.00.0050.04219.04
7.0.330.0100.00315.33
7.0.320.0060.00615.34
7.0.310.0030.01015.32
7.0.300.0030.00714.84
7.0.290.0000.00915.21
7.0.280.0030.01014.84
7.0.270.0070.00714.92
7.0.260.0120.00615.11
7.0.250.0110.00815.32
7.0.240.0170.00915.32
7.0.230.0090.00915.37
7.0.220.0140.00715.02
7.0.210.0090.00915.31
7.0.200.0090.00416.00
7.0.190.0110.00515.28
7.0.180.0170.00515.16
7.0.170.0070.00715.04
7.0.160.0070.00715.09
7.0.150.0070.01015.10
7.0.140.0070.03318.78
7.0.130.0070.00715.19
7.0.120.0120.00415.07
7.0.110.0210.00415.41
7.0.100.0030.01015.18
7.0.90.0140.00415.01
7.0.80.0390.04117.64
7.0.70.0400.03817.71
7.0.60.0140.04517.53
7.0.50.0240.04617.66
7.0.40.0070.04416.68
7.0.30.0050.03016.57
7.0.20.0120.04316.63
7.0.10.0120.03716.56
7.0.00.0090.04016.68
5.6.380.0060.00314.27
5.6.370.0030.00913.88
5.6.360.0030.01014.00
5.6.350.0070.00313.91
5.6.340.0060.00614.09
5.6.330.0060.00614.09
5.6.320.0060.00614.13
5.6.310.0080.00014.18
5.6.300.0060.00614.41
5.6.290.0040.00414.04
5.6.280.0060.03817.44
5.6.270.0080.00514.39
5.6.260.0070.00714.23
5.6.250.0120.00314.02
5.6.240.0140.00314.28
5.6.230.0070.04317.31
5.6.220.0060.04517.38
5.6.210.0070.03917.42
5.6.200.0030.03717.49
5.6.190.0050.02717.44
5.6.180.0090.04017.45
5.6.170.0080.02817.67
5.6.160.0030.04817.65
5.6.150.0100.02417.48
5.6.140.0110.03217.73
5.6.130.0080.04317.61
5.6.120.0060.03417.50
5.6.110.0050.03617.57
5.6.100.0130.04217.55
5.6.90.0050.03017.56
5.6.80.0050.03917.25
5.6.70.0040.03017.32
5.6.60.0060.04117.21
5.6.50.0050.03017.30
5.6.40.0080.04417.34
5.6.30.0030.05017.15
5.6.20.0150.02017.07
5.6.10.0050.02517.13
5.6.00.0060.02517.17
5.5.380.0090.00310.90
5.5.370.0130.03515.78
5.5.360.0070.04315.61
5.5.350.0090.03615.83
5.5.340.0020.03215.88
5.5.330.0050.04315.90
5.5.320.0050.05015.88
5.5.310.0040.04115.90
5.5.300.0080.03815.91
5.5.290.0100.04215.91
5.5.280.0120.03315.88
5.5.270.0080.04515.87
5.5.260.0100.02815.88
5.5.250.0050.02315.76
5.5.240.0020.03015.56
5.5.230.0020.04515.51
5.5.220.0030.03515.51
5.5.210.0060.04115.58
5.5.200.0070.03715.48
5.5.190.0070.03215.44
5.5.180.0130.02315.56
5.5.170.0030.00910.90
5.5.160.0030.02515.54
5.5.150.0070.03915.55
5.5.140.0070.03515.50
5.5.130.0030.02515.55
5.5.120.0120.02815.49
5.5.110.0060.03115.60
5.5.100.0050.03215.48
5.5.90.0030.02815.48
5.5.80.0070.02215.50
5.5.70.0070.03715.52
5.5.60.0050.04315.52
5.5.50.0030.03015.47
5.5.40.0060.02315.41
5.5.30.0080.03315.47
5.5.20.0060.02315.47
5.5.10.0040.04015.48
5.5.00.0030.03215.50
5.4.450.0040.03115.09
5.4.440.0050.03215.14
5.4.430.0050.04215.09
5.4.420.0040.04215.06
5.4.410.0080.03915.06
5.4.400.0090.03815.00
5.4.390.0120.02514.96
5.4.380.0110.03714.96
5.4.370.0020.04415.02
5.4.360.0100.03814.98
5.4.350.0070.03114.92
5.4.340.0020.04115.01
5.4.330.0070.00310.90
5.4.320.0090.04215.01
5.4.310.0080.02614.98
5.4.300.0080.02315.01
5.4.290.0030.02514.93
5.4.280.0080.01815.01
5.4.270.0070.04114.96
5.4.260.0140.03714.96
5.4.250.0080.03515.01
5.4.240.0090.02514.99
5.4.230.0100.04214.96
5.4.220.0080.04015.00
5.4.210.0080.02515.00
5.4.200.0020.02814.92
5.4.190.0120.03514.96
5.4.180.0050.02414.96
5.4.170.0130.03614.84
5.4.160.0050.04215.00
5.4.150.0080.03014.96
5.4.140.0030.02613.56
5.4.130.0080.03113.58
5.4.120.0060.03813.60
5.4.110.0030.02313.55
5.4.100.0030.03313.55
5.4.90.0040.02313.66
5.4.80.0020.03913.62
5.4.70.0030.04313.56
5.4.60.0070.03513.54
5.4.50.0070.02213.60
5.4.40.0120.02813.68
5.4.30.0130.02813.59
5.4.20.0040.03813.54
5.4.10.0100.03313.54
5.4.00.0030.02513.32
5.3.290.0070.03312.71
5.3.280.0050.04512.71
5.3.270.0100.03512.74
5.3.260.0030.02712.68
5.3.250.0070.03212.75
5.3.240.0070.03812.72
5.3.230.0100.02712.74
5.3.220.0110.02612.71
5.3.210.0080.01812.66
5.3.200.0020.04012.73
5.3.190.0050.03612.72
5.3.180.0080.03512.71
5.3.170.0050.03212.64
5.3.160.0070.03412.64
5.3.150.0050.03212.68
5.3.140.0070.04012.69
5.3.130.0050.04012.63
5.3.120.0050.04112.63
5.3.110.0080.03712.70
5.3.100.0100.04012.46
5.3.90.0070.03012.44
5.3.80.0040.03812.34
5.3.70.0050.02012.34
5.3.60.0060.03512.43
5.3.50.0020.03512.41
5.3.40.0040.03512.41
5.3.30.0060.03712.39
5.3.20.0070.03312.29
5.3.10.0050.04112.27
5.3.00.0090.03212.27
5.2.170.0050.03012.17
5.2.160.0050.02712.17
5.2.150.0030.03512.17
5.2.140.0070.02512.17
5.2.130.0000.03512.17
5.2.120.0030.02512.17
5.2.110.0050.02612.17
5.2.100.0070.03012.17
5.2.90.0060.02712.17
5.2.80.0040.02012.17
5.2.70.0090.03012.17
5.2.60.0030.03312.17
5.2.50.0000.02512.17
5.2.40.0070.02312.17
5.2.30.0040.02012.17
5.2.20.0020.01812.17
5.2.10.0000.03212.17
5.2.00.0020.01912.17
5.1.60.0010.01612.17
5.1.50.0040.01312.17
5.1.40.0000.01712.17
5.1.30.0050.01412.17
5.1.20.0030.01612.17
5.1.10.0020.01512.17
5.1.00.0020.01412.17
5.0.50.0020.01212.17
5.0.40.0020.01212.17
5.0.30.0000.02112.17
5.0.20.0000.01312.17
5.0.10.0000.01412.17
5.0.00.0000.01712.17
4.4.90.0000.01912.17
4.4.80.0030.01612.17
4.4.70.0010.01012.17
4.4.60.0060.00512.17
4.4.50.0030.00912.17
4.4.40.0000.01712.17
4.4.30.0030.01212.17
4.4.20.0020.01012.17
4.4.10.0040.00712.17
4.4.00.0020.01412.17
4.3.110.0050.01012.17
4.3.100.0020.00912.17
4.3.90.0020.01112.17
4.3.80.0000.01512.17
4.3.70.0000.01012.17
4.3.60.0000.01212.17
4.3.50.0000.01012.17
4.3.40.0000.01412.17
4.3.30.0020.01512.17
4.3.20.0000.01512.17
4.3.10.0010.01012.17
4.3.00.0020.01012.17

preferences:
44.38 ms | 400 KiB | 5 Q