3v4l.org

run code in 300+ PHP versions simultaneously
<?php $kupa = " "; var_dump(empty($kupa));

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)
8.3.40.0170.00318.64
8.3.30.0100.00318.87
8.3.20.0040.00420.13
8.3.10.0080.00023.50
8.3.00.0040.00417.78
8.2.170.0070.00722.96
8.2.160.0180.00320.47
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00420.90
8.2.110.0030.00622.07
8.2.100.0040.00818.09
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0030.00618.09
8.2.30.0000.00818.29
8.2.20.0040.00417.67
8.2.10.0030.00518.08
8.2.00.0000.00817.59
8.1.270.0040.00423.96
8.1.260.0020.00526.35
8.1.250.0000.00828.09
8.1.240.0030.00622.09
8.1.230.0040.00719.02
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0030.00521.98
8.1.150.0050.00318.80
8.1.140.0040.00417.25
8.1.130.0030.00717.80
8.1.120.0060.00317.40
8.1.110.0000.00717.40
8.1.100.0030.00517.40
8.1.90.0000.01017.25
8.1.80.0000.00817.45
8.1.70.0000.00717.24
8.1.60.0080.00017.38
8.1.50.0080.00017.49
8.1.40.0080.00017.41
8.1.30.0040.00417.45
8.1.20.0040.00417.40
8.1.10.0040.00417.34
8.1.00.0040.00417.36
8.0.300.0050.00318.77
8.0.290.0050.00216.63
8.0.280.0030.00318.41
8.0.270.0030.00317.24
8.0.260.0060.00017.16
8.0.250.0000.00716.90
8.0.240.0030.00316.88
8.0.230.0070.00016.87
8.0.220.0040.00416.77
8.0.210.0040.00416.84
8.0.200.0030.00316.86
8.0.190.0030.00516.89
8.0.180.0000.00716.73
8.0.170.0050.00316.70
8.0.160.0000.00716.80
8.0.150.0030.00316.78
8.0.140.0050.00216.80
8.0.130.0030.00713.33
8.0.120.0000.00716.76
8.0.110.0000.00716.73
8.0.100.0070.00016.70
8.0.90.0040.00416.87
8.0.80.0070.01516.81
8.0.70.0040.00416.70
8.0.60.0050.00216.78
8.0.50.0040.00416.94
8.0.30.0070.01217.02
8.0.20.0140.00417.40
8.0.10.0050.00316.72
8.0.00.0090.00916.63
7.4.330.0000.00515.03
7.4.320.0000.00616.44
7.4.300.0000.00716.43
7.4.290.0070.00016.41
7.4.280.0080.00016.54
7.4.270.0050.00316.50
7.4.260.0070.00016.30
7.4.250.0050.00316.44
7.4.240.0000.00716.48
7.4.230.0030.00316.34
7.4.220.0130.00716.49
7.4.210.0070.01116.62
7.4.200.0000.00816.55
7.4.160.0140.00316.34
7.4.150.0090.00917.40
7.4.140.0080.01017.86
7.4.130.0080.01316.40
7.4.120.0060.01116.38
7.4.110.0060.01416.57
7.4.100.0100.00716.38
7.4.90.0070.01016.47
7.4.80.0070.01119.39
7.4.70.0170.00316.54
7.4.60.0140.00316.61
7.4.50.0000.00816.15
7.4.40.0090.00916.51
7.4.30.0060.01216.47
7.4.00.0040.01114.79
7.3.330.0020.00312.93
7.3.320.0060.00013.02
7.3.310.0000.00616.17
7.3.300.0070.00016.04
7.3.290.0120.00316.13
7.3.280.0140.00516.20
7.3.270.0110.00617.40
7.3.260.0030.01416.16
7.3.250.0070.01016.25
7.3.240.0070.01016.35
7.3.230.0060.01016.49
7.3.210.0130.00316.18
7.3.200.0160.00019.39
7.3.190.0120.00916.13
7.3.180.0030.01316.13
7.3.170.0120.00416.29
7.3.160.0120.00416.18
7.3.120.0090.00614.57
7.3.10.0060.00716.46
7.3.00.0050.00916.63
7.2.330.0140.00316.66
7.2.320.0090.01216.61
7.2.310.0110.00816.55
7.2.300.0120.00316.32
7.2.290.0090.01216.58
7.2.130.0060.00916.68
7.2.120.0060.00616.54
7.2.110.0090.00416.67
7.2.100.0060.00716.70
7.2.90.0050.00616.61
7.2.80.0070.00616.71
7.2.70.0040.01016.75
7.2.60.0050.00816.71
7.2.50.0060.00716.64
7.2.40.0100.00516.61
7.2.30.0080.00716.81
7.2.20.0060.00916.72
7.2.10.0070.01016.71
7.2.00.0080.00617.38
7.1.250.0050.00715.51
7.1.240.0060.00615.56
7.1.230.0110.00315.75
7.1.220.0090.00915.64
7.1.210.0030.01315.73
7.1.200.0010.00815.45
7.1.190.0000.01315.70
7.1.180.0070.00415.75
7.1.170.0030.00615.75
7.1.160.0030.00715.30
7.1.150.0040.01115.53
7.1.140.0060.00315.70
7.1.130.0100.00315.55
7.1.120.0030.01015.80
7.1.110.0030.00915.55
7.1.100.0060.00716.83
7.1.90.0000.01115.65
7.1.80.0030.00715.73
7.1.70.0020.00916.33
7.1.60.0030.01217.58
7.1.50.0100.00516.31
7.1.40.0030.00715.63
7.1.30.0030.01315.54
7.1.20.0070.00315.55
7.1.10.0060.00315.70
7.1.00.0030.04219.12
7.0.330.0030.00914.99
7.0.320.0040.00814.99
7.0.310.0000.00914.99
7.0.300.0030.00915.40
7.0.290.0090.00415.18
7.0.280.0000.01015.23
7.0.270.0030.00515.08
7.0.260.0040.00415.49
7.0.250.0000.01115.35
7.0.240.0030.00715.36
7.0.230.0060.00615.00
7.0.220.0100.00315.20
7.0.210.0060.00915.14
7.0.200.0030.00515.92
7.0.190.0040.01115.41
7.0.180.0030.00815.14
7.0.170.0090.00315.22
7.0.160.0030.00915.39
7.0.150.0040.00815.36
7.0.140.0080.04018.80
7.0.130.0080.00015.47
7.0.120.0060.00715.20
7.0.110.0040.00415.12
7.0.100.0060.00615.35
7.0.90.0030.00615.15
7.0.80.0090.00315.19
7.0.70.0030.01314.98
7.0.60.0070.04117.49
7.0.50.0050.02516.59
7.0.40.0040.02716.69
7.0.30.0160.04416.84
7.0.20.0200.03316.57
7.0.10.0050.03016.76
7.0.00.0090.02516.78
5.6.380.0030.01014.28
5.6.370.0060.00613.93
5.6.360.0040.00713.84
5.6.350.0030.00714.17
5.6.340.0040.00813.95
5.6.330.0000.01214.57
5.6.320.0090.00014.37
5.6.310.0060.00314.48
5.6.300.0040.00814.00
5.6.290.0060.00913.84
5.6.280.0050.03917.74
5.6.270.0090.00614.46
5.6.260.0030.01214.26
5.6.250.0040.01114.06
5.6.240.0000.01014.43
5.6.230.0030.01014.13
5.6.220.0060.00613.99
5.6.210.0050.04417.18
5.6.200.0070.04416.26
5.6.190.0070.04317.30
5.6.180.0180.04017.28
5.6.170.0190.03917.23
5.6.160.0060.04517.32
5.6.150.0070.04516.16
5.6.140.0060.04116.11
5.6.130.0100.04016.15
5.6.120.0120.03217.51
5.6.110.0120.04017.52
5.6.100.0050.02517.55
5.6.90.0070.02217.53
5.6.80.0060.04817.35
5.6.70.0060.00914.27
5.6.60.0000.01614.12
5.6.50.0030.01014.03
5.6.40.0070.00714.12
5.6.30.0080.00814.11
5.6.20.0070.00713.84
5.6.10.0030.00714.16
5.6.00.0060.00913.88
5.5.380.0000.00711.18
5.5.370.0030.00911.18
5.5.360.0000.00611.19
5.5.350.0160.03815.80
5.5.340.0090.03114.58
5.5.330.0020.04315.69
5.5.320.0190.02515.70
5.5.310.0190.03815.68
5.5.300.0060.03814.59
5.5.290.0000.02514.57
5.5.280.0030.02516.03
5.5.270.0010.03615.95
5.5.260.0070.02216.03
5.5.250.0000.02515.85
5.5.240.0060.02515.66
5.5.230.0000.00611.18
5.5.220.0070.00411.18
5.5.210.0040.00711.18
5.5.200.0040.00711.18
5.5.190.0030.00611.18
5.5.180.0100.00011.18
5.5.170.0040.00811.18
5.5.160.0030.00611.18
5.5.150.0030.00311.18
5.5.140.0030.00711.18
5.5.130.0040.00411.18
5.5.120.0060.00311.18
5.5.110.0060.00611.18
5.5.100.0040.00411.18
5.5.90.0050.00311.18
5.5.80.0070.00311.18
5.5.70.0060.00311.18
5.5.60.0090.00311.18
5.5.50.0000.01411.18
5.5.40.0030.00911.18
5.5.30.0040.00411.18
5.5.20.0030.00311.18
5.5.10.0050.00211.18
5.5.00.0050.00511.18
5.4.450.0220.02615.29
5.4.440.0120.03315.19
5.4.430.0110.02715.33
5.4.420.0160.03315.21
5.4.410.0080.04715.23
5.4.400.0100.03215.17
5.4.390.0190.02514.99
5.4.380.0120.03015.17
5.4.370.0150.03015.04
5.4.360.0200.03415.03
5.4.350.0130.03915.03
5.4.340.0130.04015.05
5.4.330.0030.00511.18
5.4.320.0180.03515.17
5.4.310.0170.02815.05
5.4.300.0100.04215.16
5.4.290.0150.04015.13
5.4.280.0160.03515.16
5.4.270.0130.03915.21
5.4.260.0120.03715.13
5.4.250.0080.04315.16
5.4.240.0160.02015.11
5.4.230.0150.03315.11
5.4.220.0170.02814.98
5.4.210.0120.03815.19
5.4.200.0150.02214.98
5.4.190.0070.04415.13
5.4.180.0170.03215.15
5.4.170.0190.03715.12
5.4.160.0120.04215.03
5.4.150.0130.03815.20
5.4.140.0120.03713.80
5.4.130.0110.03713.77
5.4.120.0100.03113.72
5.4.110.0110.04313.74
5.4.100.0150.03113.74
5.4.90.0150.02813.70
5.4.80.0120.03213.79
5.4.70.0150.03713.79
5.4.60.0180.03213.81
5.4.50.0230.03013.72
5.4.40.0080.02713.73
5.4.30.0130.03813.79
5.4.20.0150.02513.78
5.4.10.0150.03613.77
5.4.00.0190.02313.50
5.3.290.0180.03712.83
5.3.280.0150.03112.85
5.3.270.0120.02312.85
5.3.260.0150.03912.86
5.3.250.0130.03512.81
5.3.240.0130.03812.86
5.3.230.0140.03912.84
5.3.220.0100.03812.82
5.3.210.0130.03812.85
5.3.200.0130.03412.84
5.3.190.0190.04112.79
5.3.180.0130.03612.79
5.3.170.0120.04212.78
5.3.160.0100.04012.90
5.3.150.0150.02812.91
5.3.140.0150.03812.78
5.3.130.0130.02912.78
5.3.120.0160.03812.78
5.3.110.0210.02612.88
5.3.100.0150.01712.54
5.3.90.0210.03412.55
5.3.80.0160.03612.57
5.3.70.0130.02812.51
5.3.60.0150.02812.55
5.3.50.0170.03712.53
5.3.40.0130.04012.48
5.3.30.0150.02812.52
5.3.20.0130.02012.35
5.3.10.0080.03012.34
5.3.00.0150.03312.33
5.2.170.0130.03212.23
5.2.160.0150.02812.23
5.2.150.0110.02812.23
5.2.140.0150.02012.23
5.2.130.0150.02812.23
5.2.120.0150.01812.23
5.2.110.0100.03212.23
5.2.100.0100.02312.23
5.2.90.0120.03012.23
5.2.80.0070.03612.23
5.2.70.0090.02212.23
5.2.60.0080.03012.23
5.2.50.0100.03312.23
5.2.40.0100.03312.23
5.2.30.0080.03512.23
5.2.20.0180.02512.23
5.2.10.0120.02312.23
5.2.00.0100.02512.23
5.1.60.0080.02012.23
5.1.50.0080.02612.23
5.1.40.0100.02612.23
5.1.30.0110.02812.23
5.1.20.0160.02312.23
5.1.10.0070.03112.23
5.1.00.0080.02812.23
5.0.50.0030.02712.23
5.0.40.0030.01912.23
5.0.30.0070.02812.23
5.0.20.0040.01712.23
5.0.10.0030.02512.23
5.0.00.0070.03212.23
4.4.90.0050.01712.23
4.4.80.0050.01412.23
4.4.70.0030.02012.23
4.4.60.0030.02212.23
4.4.50.0030.01712.23
4.4.40.0030.02412.23
4.4.30.0050.01612.23
4.4.20.0030.01712.23
4.4.10.0050.01712.23
4.4.00.0070.02012.23
4.3.110.0080.01612.23
4.3.100.0080.01212.23
4.3.90.0080.01312.23
4.3.80.0030.02012.23
4.3.70.0060.01312.23
4.3.60.0040.02012.23
4.3.50.0050.01712.23
4.3.40.0060.01812.23
4.3.30.0050.01712.23
4.3.20.0030.02012.23
4.3.10.0050.01612.23
4.3.00.0050.01812.23

preferences:
44.58 ms | 400 KiB | 5 Q