3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isempty(0)); var_dump(isempty('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)
8.3.60.0100.00718.34
8.3.50.0070.01019.71
8.3.40.0090.00618.56
8.3.30.0110.00318.42
8.3.20.0040.00420.12
8.3.10.0000.00820.70
8.3.00.0090.00920.43
8.2.180.0140.00718.29
8.2.170.0200.00022.96
8.2.160.0100.00321.89
8.2.150.0070.00024.18
8.2.140.0080.00324.66
8.2.130.0040.00420.68
8.2.120.0080.00026.35
8.2.110.0040.00719.45
8.2.100.0110.00017.91
8.2.90.0000.00819.22
8.2.80.0050.00317.97
8.2.70.0000.00917.50
8.2.60.0030.00517.80
8.2.50.0070.00218.09
8.2.40.0000.00720.42
8.2.30.0030.00319.39
8.2.20.0030.00617.55
8.2.10.0040.00417.86
8.2.00.0050.00317.98
8.1.280.0120.00425.92
8.1.270.0050.00223.84
8.1.260.0030.00528.09
8.1.250.0070.00028.09
8.1.240.0050.00522.67
8.1.230.0080.00417.64
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0060.00318.28
8.1.160.0040.00420.49
8.1.150.0040.00418.75
8.1.140.0030.00519.44
8.1.130.0040.00417.46
8.1.120.0070.00017.34
8.1.110.0030.00517.33
8.1.100.0000.00717.27
8.1.90.0050.00217.32
8.1.80.0040.00417.21
8.1.70.0040.00417.23
8.1.60.0000.00817.49
8.1.50.0050.00317.49
8.1.40.0000.00817.45
8.1.30.0000.00817.57
8.1.20.0050.00317.64
8.1.10.0050.00317.33
8.1.00.0030.00517.50
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0000.00818.38
8.0.270.0080.00017.17
8.0.260.0040.00417.23
8.0.250.0040.00416.96
8.0.240.0070.00016.81
8.0.230.0030.00316.91
8.0.220.0070.00016.83
8.0.210.0000.00716.94
8.0.200.0000.00816.90
8.0.190.0000.00816.95
8.0.180.0060.00316.79
8.0.170.0040.00416.89
8.0.160.0040.00416.86
8.0.150.0050.00216.77
8.0.140.0080.00016.82
8.0.130.0000.00513.33
8.0.120.0040.00416.85
8.0.110.0040.00416.72
8.0.100.0000.00816.76
8.0.90.0040.00416.83
8.0.80.0150.00416.87
8.0.70.0030.00716.94
8.0.60.0040.00416.75
8.0.50.0000.00716.88
8.0.30.0100.00416.96
8.0.20.0100.00817.40
8.0.10.0080.00016.97
8.0.00.0060.01116.64
7.4.330.0060.00016.69
7.4.320.0000.00616.41
7.4.300.0000.00716.53
7.4.290.0060.00316.43
7.4.280.0080.00016.42
7.4.270.0030.00316.55
7.4.260.0000.00716.45
7.4.250.0030.00616.38
7.4.240.0060.00316.44
7.4.230.0040.00416.45
7.4.220.0100.01316.41
7.4.210.0070.00716.62
7.4.200.0040.00416.63
7.4.160.0070.01416.50
7.4.150.0040.01517.40
7.4.140.0100.01017.86
7.4.130.0120.00616.38
7.4.120.0080.01016.33
7.4.110.0070.01016.24
7.4.100.0150.00616.27
7.4.90.0100.00616.49
7.4.80.0130.01019.39
7.4.70.0140.00916.48
7.4.60.0090.00916.44
7.4.50.0090.00616.12
7.4.40.0040.01616.55
7.4.30.0040.01416.64
7.4.10.0060.00615.03
7.4.00.0070.00914.76
7.3.330.0000.00512.98
7.3.320.0060.00013.04
7.3.310.0070.00016.20
7.3.300.0030.00316.26
7.3.290.0070.00916.22
7.3.280.0060.01316.24
7.3.270.0140.00317.40
7.3.260.0080.00816.19
7.3.240.0130.00716.25
7.3.230.0120.00616.39
7.3.210.0110.00516.46
7.3.200.0100.00616.54
7.3.190.0040.01216.41
7.3.180.0040.01116.36
7.3.170.0100.00716.48
7.3.160.0050.01016.43
7.3.130.0110.00714.72
7.3.120.0060.01314.50
7.3.110.0090.00914.51
7.3.100.0080.00014.70
7.3.90.0000.01614.61
7.3.80.0050.00314.96
7.3.70.0030.01414.96
7.3.60.0150.00414.82
7.3.50.0000.01314.80
7.3.40.0000.00914.49
7.3.30.0060.00914.84
7.3.20.0070.00716.65
7.3.10.0120.00316.67
7.3.00.0060.00916.27
7.2.330.0090.00916.27
7.2.320.0070.01016.31
7.2.310.0130.01016.24
7.2.300.0090.00916.51
7.2.290.0050.01116.32
7.2.260.0090.00914.64
7.2.250.0100.01015.09
7.2.240.0110.00314.84
7.2.230.0100.00314.80
7.2.220.0070.00315.11
7.2.210.0030.01314.87
7.2.200.0090.00914.91
7.2.190.0000.01114.82
7.2.180.0040.01114.75
7.2.170.0070.00714.95
7.2.160.0070.01114.68
7.2.150.0040.00816.65
7.2.140.0030.00616.49
7.2.130.0060.00916.84
7.2.120.0000.00916.74
7.2.110.0110.00416.71
7.2.100.0070.01116.59
7.2.90.0000.01716.93
7.2.80.0000.01316.82
7.2.70.0060.00916.91
7.2.60.0090.00716.79
7.2.50.0050.01016.70
7.2.40.0040.01116.79
7.2.30.0040.00716.66
7.2.20.0040.01116.45
7.2.10.0070.00716.70
7.2.00.0040.01117.97
7.1.330.0140.00015.49
7.1.320.0040.00715.37
7.1.310.0040.01115.78
7.1.300.0040.00715.75
7.1.290.0030.01015.74
7.1.280.0030.00715.46
7.1.270.0070.00715.75
7.1.260.0080.00815.69
7.1.250.0030.01015.77
7.1.240.0000.00815.70
7.1.230.0110.00415.61
7.1.220.0040.01115.30
7.1.210.0070.00715.51
7.1.200.0110.00515.63
7.1.190.0000.01015.36
7.1.180.0120.00315.72
7.1.170.0040.00415.35
7.1.160.0000.01315.40
7.1.150.0070.00715.53
7.1.140.0070.00715.72
7.1.130.0030.00715.73
7.1.120.0090.00615.79
7.1.110.0100.00715.72
7.1.100.0000.01415.69
7.1.90.0060.01015.66
7.1.80.0100.00015.71
7.1.70.0080.00316.34
7.1.60.0080.00717.33
7.1.50.0100.00616.23
7.1.40.0000.00815.53
7.1.30.0100.00315.56
7.1.20.0090.00615.27
7.1.10.0030.00615.69
7.1.00.0070.03818.99
7.0.330.0040.00815.44
7.0.320.0060.00615.27
7.0.310.0030.01115.29
7.0.300.0030.00615.30
7.0.290.0070.00715.26
7.0.280.0040.00715.33
7.0.270.0110.00315.24
7.0.260.0030.00715.34
7.0.250.0070.00715.34
7.0.240.0080.00014.98
7.0.230.0030.00615.24
7.0.220.0000.01415.30
7.0.210.0060.00615.05
7.0.200.0190.00514.72
7.0.190.0060.00615.30
7.0.180.0000.01314.99
7.0.170.0000.01115.15
7.0.160.0070.00715.07
7.0.150.0050.00515.44
7.0.140.0000.01015.54
7.0.130.0070.01015.32
7.0.120.0030.01015.35
7.0.110.0090.00315.32
7.0.100.0060.00615.35
7.0.90.0030.00615.06
7.0.80.0040.00415.23
7.0.70.0030.01014.96
7.0.60.0170.04218.62
7.0.50.0050.02316.62
7.0.40.0090.04016.82
7.0.30.0100.02516.70
7.0.20.0160.03816.62
7.0.10.0090.03716.79
7.0.00.0080.03816.78
5.6.400.0070.00714.32
5.6.390.0000.01514.22
5.6.380.0050.00514.25
5.6.370.0040.00714.00
5.6.360.0030.00914.04
5.6.350.0060.00613.81
5.6.340.0040.01113.83
5.6.330.0030.01014.30
5.6.320.0060.00614.15
5.6.310.0000.00813.95
5.6.300.0060.00314.08
5.6.290.0090.00614.47
5.6.280.0090.03417.60
5.6.270.0030.00714.25
5.6.260.0030.01013.84
5.6.250.0080.00514.18
5.6.240.0100.00314.23
5.6.230.0060.00614.32
5.6.220.0000.01614.03
5.6.210.0080.04317.34
5.6.200.0030.03616.15
5.6.190.0050.02717.47
5.6.180.0130.03517.24
5.6.170.0130.04617.18
5.6.160.0130.03917.19
5.6.150.0020.04516.07
5.6.140.0070.02616.09
5.6.130.0020.03116.25
5.6.120.0080.02317.53
5.6.110.0100.04317.48
5.6.100.0020.02717.58
5.6.90.0110.03917.53
5.6.80.0100.02717.34
5.6.70.0040.01113.86
5.6.60.0030.00614.05
5.6.50.0040.00413.95
5.6.40.0110.00314.26
5.6.30.0030.01013.95
5.6.20.0000.00814.09
5.6.10.0080.00813.95
5.6.00.0060.00614.09
5.5.380.0030.00614.25
5.5.370.0060.00613.78
5.5.360.0030.01114.06
5.5.350.0130.04317.21
5.5.340.0060.04415.98
5.5.330.0030.04517.03
5.5.320.0180.04517.23
5.5.310.0180.01817.24
5.5.300.0020.02615.89
5.5.290.0090.04216.03
5.5.280.0080.01817.62
5.5.270.0070.03717.38
5.5.260.0080.04017.29
5.5.250.0070.04317.28
5.5.240.2100.02617.15
5.5.230.0090.00013.88
5.5.220.0090.00613.85
5.5.210.0030.00914.09
5.5.200.0080.00813.79
5.5.190.0030.00713.55
5.5.180.0060.00814.00
5.5.170.0030.01213.64
5.5.160.0030.00714.07
5.5.150.0070.01413.97
5.5.140.0090.01213.77
5.5.130.0040.01114.00
5.5.120.0040.01013.57
5.5.110.0030.01014.00
5.5.100.0040.01114.10
5.5.90.0040.00714.09
5.5.80.0060.00914.09
5.5.70.0070.00713.89
5.5.60.0000.01214.11
5.5.50.0030.01013.91
5.5.40.0000.01313.58
5.5.30.0070.00713.79
5.5.20.0040.01113.89
5.5.10.0030.01014.07
5.5.00.0090.00613.71

preferences:
60.7 ms | 400 KiB | 5 Q