3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo (int) empty(0) . "\n"; echo (int) empty(1) . "\n"; echo (int) empty("") . "\n"; echo (int) empty("hello") . "\n"; echo (int) empty(null) . "\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)
8.3.60.0070.00716.50
8.3.50.0160.00121.94
8.3.40.0060.00818.72
8.3.30.0120.00318.88
8.3.20.0060.00320.16
8.3.10.0000.00723.66
8.3.00.0040.00419.38
8.2.180.0120.00318.19
8.2.170.0120.00322.96
8.2.160.0130.00020.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00726.16
8.2.120.0000.00822.11
8.2.110.0090.00022.31
8.2.100.0080.00417.84
8.2.90.0000.00719.17
8.2.80.0000.00917.97
8.2.70.0110.00017.50
8.2.60.0060.00317.80
8.2.50.0100.00718.07
8.2.40.0050.00218.16
8.2.30.0040.00417.86
8.2.20.0000.00717.74
8.2.10.0030.00517.93
8.2.00.0090.00017.61
8.1.280.0110.00725.92
8.1.270.0040.00422.19
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00923.84
8.1.230.0000.01119.00
8.1.220.0000.00817.78
8.1.210.0000.00818.77
8.1.200.0100.00017.23
8.1.190.0000.00817.40
8.1.180.0030.00518.10
8.1.170.0030.00518.64
8.1.160.0000.00722.01
8.1.150.0040.00418.56
8.1.140.0040.00417.32
8.1.130.0070.00017.80
8.1.120.0040.00417.30
8.1.110.0070.00017.34
8.1.100.0040.00417.31
8.1.90.0000.00717.42
8.1.80.0040.00417.34
8.1.70.0000.00717.32
8.1.60.0000.00817.42
8.1.50.0000.00817.45
8.1.40.0000.00817.46
8.1.30.0060.00317.42
8.1.20.0040.00417.57
8.1.10.0040.00417.40
8.1.00.0080.00017.38
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0040.00418.31
8.0.270.0000.00817.19
8.0.260.0000.00616.80
8.0.250.0000.00717.01
8.0.240.0000.00916.91
8.0.230.0070.00016.99
8.0.220.0000.00816.82
8.0.210.0080.00016.77
8.0.200.0030.00316.90
8.0.190.0040.00416.93
8.0.180.0070.00016.91
8.0.170.0000.00816.80
8.0.160.0040.00316.94
8.0.150.0000.00716.78
8.0.140.0030.00516.78
8.0.130.0030.00313.38
8.0.120.0000.00716.75
8.0.110.0050.00316.89
8.0.100.0000.00716.73
8.0.90.0040.00416.85
8.0.80.0090.00916.88
8.0.70.0050.00216.84
8.0.60.0000.00716.82
8.0.50.0060.00316.73
8.0.30.0090.00916.94
8.0.20.0050.01317.40
8.0.10.0030.00616.87
8.0.00.0100.01116.58
7.4.330.0020.00215.00
7.4.320.0000.00616.35
7.4.300.0040.00416.44
7.4.290.0030.00316.39
7.4.280.0030.00316.35
7.4.270.0030.00316.44
7.4.260.0030.00316.45
7.4.250.0060.00316.41
7.4.240.0000.00716.42
7.4.230.0030.00316.25
7.4.220.0030.01716.49
7.4.210.0070.00716.35
7.4.200.0070.00016.21
7.4.190.0040.00416.41
7.4.160.0090.01216.38
7.4.150.0200.00317.40
7.4.140.0090.00817.86
7.4.130.0090.00916.40
7.4.120.0140.00316.38
7.4.110.0120.00616.52
7.4.100.0110.01116.38
7.4.90.0170.00016.25
7.4.80.0080.01219.39
7.4.70.0110.00516.34
7.4.60.0150.00016.44
7.4.50.0000.00516.46
7.4.40.0110.00722.77
7.4.30.0030.01316.43
7.4.00.0000.01514.96
7.3.330.0060.00013.14
7.3.320.0050.00013.00
7.3.310.0070.00016.25
7.3.300.0070.00016.16
7.3.290.0090.00616.26
7.3.280.0120.00716.26
7.3.270.0110.00617.40
7.3.260.0100.00716.44
7.3.250.0090.01016.39
7.3.240.0100.00616.41
7.3.230.0130.00316.52
7.3.210.0170.00016.34
7.3.200.0100.01019.39
7.3.190.0090.01216.29
7.3.180.0060.00916.37
7.3.170.0070.00716.42
7.3.160.0100.00616.57
7.3.120.0120.00314.61
7.3.10.0070.00916.30
7.3.00.0110.00416.50
7.2.330.0140.01016.66
7.2.320.0120.01216.34
7.2.310.0120.00616.59
7.2.300.0100.00716.36
7.2.290.0040.01916.32
7.2.130.0090.00516.65
7.2.120.0090.00816.59
7.2.110.0100.01116.64
7.2.100.0090.00616.67
7.2.90.0100.00616.56
7.2.80.0060.00616.67
7.2.70.0120.00316.68
7.2.60.0070.00916.52
7.2.50.0090.00716.52
7.2.40.0100.00516.74
7.2.30.0080.00916.81
7.2.20.0080.00716.69
7.2.10.0110.00716.50
7.2.00.0080.00717.30
7.1.250.0060.00915.54
7.1.240.0070.00715.60
7.1.230.0080.00415.73
7.1.220.0030.00915.89
7.1.210.0060.00615.75
7.1.200.0020.01015.61
7.1.190.0040.00815.48
7.1.180.0090.00615.35
7.1.170.0060.00315.85
7.1.160.0030.00615.55
7.1.150.0060.00615.65
7.1.140.0030.01015.86
7.1.130.0130.00315.63
7.1.120.0140.00315.45
7.1.110.0030.00615.66
7.1.100.0000.01016.85
7.1.90.0090.00615.75
7.1.80.0040.00715.54
7.1.70.0050.00416.41
7.1.60.0090.00617.55
7.1.50.0030.01416.30
7.1.40.0040.01115.71
7.1.30.0070.00315.71
7.1.20.0070.00715.57
7.1.10.0080.00415.57
7.1.00.0070.03919.12
7.0.330.0000.01115.31
7.0.320.0030.01015.30
7.0.310.0000.01215.17
7.0.300.0030.01315.29
7.0.290.0000.00915.41
7.0.280.0060.00315.52
7.0.270.0000.01515.21
7.0.260.0040.01415.29
7.0.250.0040.00815.54
7.0.240.0060.00315.04
7.0.230.0000.01415.15
7.0.220.0070.00715.38
7.0.210.0050.00515.29
7.0.200.0040.00815.90
7.0.190.0080.00415.52
7.0.180.0030.00515.48
7.0.170.0070.00015.51
7.0.160.0030.01015.26
7.0.150.0070.00715.32
7.0.140.0020.04118.53
7.0.130.0040.00815.25
7.0.120.0030.00915.21
7.0.110.0030.00715.30
7.0.100.0110.00015.37
7.0.90.0030.00915.32
7.0.80.0000.01215.39
7.0.70.0030.04618.54
7.0.60.0060.03118.50
7.0.50.0030.04618.79
7.0.40.0040.04016.80
7.0.30.0030.03016.77
7.0.20.0020.04916.68
7.0.10.0030.03716.72
7.0.00.0050.05016.64
5.6.380.0090.00614.55
5.6.370.0030.01014.37
5.6.360.0030.00914.18
5.6.350.0080.00614.36
5.6.340.0130.00014.36
5.6.330.0110.00013.94
5.6.320.0000.01314.35
5.6.310.0130.00014.11
5.6.300.0030.00614.05
5.6.290.0040.01214.10
5.6.280.0070.03817.74
5.6.270.0100.00714.01
5.6.260.0070.00414.31
5.6.250.0120.00314.26
5.6.240.0040.01114.47
5.6.230.0090.00314.57
5.6.220.0070.04217.58
5.6.210.0050.03317.42
5.6.200.0030.04717.57
5.6.190.0030.04817.63
5.6.180.0030.04517.73
5.6.170.0140.03817.59
5.6.160.0060.04217.53
5.6.150.0030.04317.76
5.6.140.0030.04317.68
5.6.130.0050.04317.72
5.6.120.0060.04617.70
5.6.110.0030.02817.67
5.6.100.0020.04817.76
5.6.90.0040.04217.70
5.6.80.0020.02917.37
5.6.70.0070.03717.14
5.6.60.0080.04017.32
5.6.50.0050.04117.20
5.6.40.0060.04017.24
5.6.30.0000.04917.24
5.6.20.0050.03017.39
5.6.10.0070.04017.09
5.6.00.0020.04717.37
5.5.380.0070.00011.18
5.5.370.0030.00611.18
5.5.360.0060.03315.79
5.5.350.0060.03815.78
5.5.340.0000.04916.04
5.5.330.0060.03616.00
5.5.320.0030.03816.01
5.5.310.0030.04416.00
5.5.300.0020.03915.98
5.5.290.0070.03516.03
5.5.280.0070.02616.03
5.5.270.0080.04216.01
5.5.260.0070.04215.96
5.5.250.0020.04815.89
5.5.240.0020.04115.68
5.5.230.0000.03315.66
5.5.220.0100.03715.66
5.5.210.0060.03515.66
5.5.200.0030.03915.71
5.5.190.0030.03015.71
5.5.180.0030.03515.71
5.5.170.0060.00011.18
5.5.160.0020.03015.66
5.5.150.0050.04215.64
5.5.140.0070.02715.72
5.5.130.0100.03715.67
5.5.120.0060.03815.72
5.5.110.0050.02815.65
5.5.100.0060.04015.64
5.5.90.0080.03015.59
5.5.80.0070.03015.66
5.5.70.0050.04215.61
5.5.60.0090.03715.56
5.5.50.0030.04315.59
5.5.40.0000.04915.66
5.5.30.0030.04315.66
5.5.20.0040.04015.64
5.5.10.0050.02315.60
5.5.00.0050.04215.62
5.4.450.0070.04315.30
5.4.440.0050.02015.26
5.4.430.0020.04515.33
5.4.420.0050.04315.32
5.4.410.0020.04415.21
5.4.400.0040.04215.09
5.4.390.0020.03915.13
5.4.380.0050.03815.01
5.4.370.0040.03515.15
5.4.360.0060.04015.15
5.4.350.0050.03815.06
5.4.340.0050.04015.15
5.4.330.0030.00711.18
5.4.320.0050.04515.19
5.4.310.0050.03715.01
5.4.300.0050.03815.06
5.4.290.0080.03115.16
5.4.280.0020.04515.13
5.4.270.0030.03015.15
5.4.260.0020.02715.17
5.4.250.0050.04315.20
5.4.240.0030.03515.16
5.4.230.0020.04315.19
5.4.220.0030.03915.03
5.4.210.0050.02115.02
5.4.200.0050.04015.11
5.4.190.0070.02715.10
5.4.180.0030.03715.20
5.4.170.0050.03615.01
5.4.160.0030.04115.03
5.4.150.0050.04015.19
5.4.140.0060.03813.68
5.4.130.0080.03713.75
5.4.120.0060.03813.75
5.4.110.0050.03813.80
5.4.100.0050.03013.84
5.4.90.0050.03813.73
5.4.80.0030.03313.72
5.4.70.0060.02413.80
5.4.60.0020.03113.80
5.4.50.0050.03713.79
5.4.40.0070.03613.84
5.4.30.0030.02813.81
5.4.20.0020.03013.73
5.4.10.0080.02813.78
5.4.00.0050.03613.53
5.3.290.0050.04312.90
5.3.280.0060.03512.88
5.3.270.0050.03812.81
5.3.260.0040.03912.87
5.3.250.0050.04012.80
5.3.240.0020.03812.87
5.3.230.0040.02512.81
5.3.220.0030.03812.87
5.3.210.0000.04312.88
5.3.200.0050.04012.85
5.3.190.0030.03912.88
5.3.180.0060.03812.88
5.3.170.0050.02812.87
5.3.160.0090.03712.82
5.3.150.0020.03912.79
5.3.140.0030.04012.86
5.3.130.0030.03812.79
5.3.120.0030.04212.84
5.3.110.0040.03212.84
5.3.100.0080.03512.61
5.3.90.0050.02812.60
5.3.80.0060.01612.48
5.3.70.0030.02112.55
5.3.60.0040.02012.59
5.3.50.0030.02012.56
5.3.40.0040.01812.55
5.3.30.0000.02312.47
5.3.20.0030.02012.37
5.3.10.0030.02512.39
5.3.00.0020.02112.40
5.2.170.0020.01711.69
5.2.160.0020.01811.69
5.2.150.0020.01711.69
5.2.140.0010.01611.69
5.2.130.0050.01811.69
5.2.120.0050.01311.69
5.2.110.0040.01411.69
5.2.100.0040.01711.69
5.2.90.0050.02311.69
5.2.80.0030.01711.69
5.2.70.0030.01711.69
5.2.60.0020.01711.69
5.2.50.0000.02311.69
5.2.40.0010.02011.69
5.2.30.0040.01511.69
5.2.20.0040.01511.69
5.2.10.0030.01711.69
5.2.00.0050.01311.69
5.1.60.0070.02311.69
5.1.50.0030.01611.69
5.1.40.0030.01711.69
5.1.30.0040.02211.69
5.1.20.0030.01511.69
5.1.10.0050.01311.69
5.1.00.0000.03211.69
5.0.50.0060.01011.69
5.0.40.0030.01011.69
5.0.30.0020.01511.69
5.0.20.0000.01511.69
5.0.10.0020.01211.69
5.0.00.0020.01711.69
4.4.90.0030.00711.69
4.4.80.0030.00811.69
4.4.70.0040.00811.69
4.4.60.0030.01011.69
4.4.50.0000.01311.69
4.4.40.0020.01211.69
4.4.30.0020.01011.69
4.4.20.0000.01111.69
4.4.10.0020.01011.69
4.4.00.0030.01211.69
4.3.110.0030.01911.69
4.3.100.0010.00811.69
4.3.90.0030.00811.69
4.3.80.0030.01511.69
4.3.70.0020.00811.69
4.3.60.0020.00811.69
4.3.50.0020.00711.69
4.3.40.0000.01511.69
4.3.30.0050.00611.69
4.3.20.0010.01011.69
4.3.10.0010.00911.69
4.3.00.0010.01011.69

preferences:
46.96 ms | 401 KiB | 5 Q