3v4l.org

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

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)
8.3.60.0070.01318.43
8.3.50.0060.01021.14
8.3.40.0120.00318.67
8.3.30.0100.01020.21
8.3.20.0050.00318.60
8.3.10.0090.00020.85
8.3.00.0070.00023.74
8.2.180.0120.00616.50
8.2.170.0090.01222.96
8.2.160.0100.01020.48
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00021.04
8.2.110.0040.00422.07
8.2.100.0090.00317.75
8.2.90.0080.00019.09
8.2.80.0030.00519.39
8.2.70.0060.00317.63
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00419.31
8.2.20.0000.00817.53
8.2.10.0000.00817.57
8.2.00.0040.00417.59
8.1.280.0100.01025.92
8.1.270.0050.00323.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.42
8.1.230.0070.00420.93
8.1.220.0040.00418.77
8.1.210.0000.00818.95
8.1.200.0090.00017.48
8.1.190.0050.00217.53
8.1.180.0050.00318.10
8.1.170.0050.00318.35
8.1.160.0040.00418.83
8.1.150.0070.00018.57
8.1.140.0080.00017.45
8.1.130.0000.00717.77
8.1.120.0040.00417.42
8.1.110.0040.00417.41
8.1.100.0050.00317.35
8.1.90.0030.00517.41
8.1.80.0040.00417.47
8.1.70.0030.00517.38
8.1.60.0060.00317.49
8.1.50.0000.00817.38
8.1.40.0080.00017.52
8.1.30.0030.00517.69
8.1.20.0030.00517.61
8.1.10.0050.00317.40
8.1.00.0060.00617.25
8.0.300.0000.00820.03
8.0.290.0040.00417.05
8.0.280.0030.00318.32
8.0.270.0070.00017.16
8.0.260.0030.00316.70
8.0.250.0040.00416.84
8.0.240.0040.00416.98
8.0.230.0030.00316.82
8.0.220.0070.00016.80
8.0.210.0000.00716.91
8.0.200.0030.00316.88
8.0.190.0080.00016.84
8.0.180.0070.00016.86
8.0.170.0050.00216.88
8.0.160.0030.00316.83
8.0.150.0000.00716.84
8.0.140.0050.00216.84
8.0.130.0000.00613.31
8.0.120.0040.00416.88
8.0.110.0030.00516.92
8.0.100.0000.00716.95
8.0.90.0000.00716.90
8.0.80.0120.00316.87
8.0.70.0070.00016.69
8.0.60.0000.00716.89
8.0.50.0040.00416.84
8.0.30.0100.00917.08
8.0.20.0090.01017.40
8.0.10.0040.00416.86
8.0.00.0140.00816.78
7.4.330.0050.00014.98
7.4.320.0000.00616.43
7.4.300.0000.00616.49
7.4.290.0080.00016.55
7.4.280.0070.00016.49
7.4.270.0070.00016.59
7.4.260.0030.00313.32
7.4.250.0080.00016.30
7.4.240.0040.00416.45
7.4.230.0000.00716.48
7.4.220.0060.01216.38
7.4.210.0040.01116.50
7.4.200.0070.00016.42
7.4.190.0050.00316.59
7.4.160.0030.01616.48
7.4.150.0070.01117.40
7.4.140.0120.00517.86
7.4.130.0060.01116.47
7.4.120.0110.00616.44
7.4.110.0060.01616.60
7.4.100.0090.00916.32
7.4.90.0090.00916.59
7.4.80.0060.01119.39
7.4.70.0100.00716.60
7.4.60.0040.01216.28
7.4.50.0060.00316.46
7.4.40.0100.00722.77
7.4.30.0130.00316.36
7.4.00.0070.01014.75
7.3.330.0050.00212.98
7.3.320.0030.00313.05
7.3.310.0050.00215.96
7.3.300.0030.00316.15
7.3.290.0090.00516.09
7.3.280.0090.00616.17
7.3.270.0080.00817.40
7.3.260.0100.01118.24
7.3.250.0090.00816.27
7.3.240.0080.00816.54
7.3.230.0060.01816.52
7.3.210.0160.00016.06
7.3.200.0080.00919.39
7.3.190.0130.00316.38
7.3.180.0030.01316.21
7.3.170.0070.01516.55
7.3.160.0030.01216.14
7.3.120.0060.00814.57
7.3.110.0070.01114.80
7.3.100.0070.00714.87
7.3.90.0070.00314.53
7.3.80.0030.01014.59
7.3.70.0040.00414.69
7.3.60.0000.01014.68
7.3.50.0040.01114.53
7.3.40.0070.01014.70
7.3.30.0040.00814.48
7.3.20.0160.00016.58
7.3.10.0100.00316.46
7.3.00.0030.01016.64
7.2.330.0100.00716.52
7.2.320.0040.01316.68
7.2.310.0160.00616.57
7.2.300.0090.00916.53
7.2.290.0100.01016.27
7.2.250.0060.01214.89
7.2.240.0090.00914.59
7.2.230.0060.01015.02
7.2.220.0090.00315.09
7.2.210.0030.01214.76
7.2.200.0130.00314.72
7.2.190.0070.01014.61
7.2.180.0030.01514.43
7.2.170.0000.01414.86
7.2.110.0310.00316.30
7.2.00.0040.01118.96
7.1.330.0040.01115.53
7.1.320.0040.01115.50
7.1.310.0000.01315.86
7.1.300.0000.00915.89
7.1.290.0060.00715.45
7.1.280.0030.00615.68
7.1.270.0030.01315.38
7.1.260.0030.00715.64
7.1.100.0060.00818.21
7.1.70.0070.00717.16
7.1.60.0000.01519.17
7.1.50.0240.01034.85
7.1.00.0030.03322.35
7.0.200.0000.00716.55
7.0.140.0070.07021.95
7.0.60.0130.06019.96
7.0.50.0030.04017.80
7.0.40.0070.04319.90
7.0.30.0570.07020.04
7.0.20.0270.05320.02
7.0.10.0370.06720.01
7.0.00.0100.08020.07
5.6.280.0070.06320.90
5.6.210.0100.07020.49
5.6.200.0100.08018.17
5.6.190.0070.04320.39
5.6.180.0230.04320.58
5.6.170.0370.06720.50
5.6.160.0100.04320.70
5.6.150.0100.08318.20
5.6.140.0130.07718.21
5.6.130.0130.07318.20
5.6.120.0030.04721.09
5.6.110.0030.04021.08
5.6.100.0130.07721.08
5.6.90.0070.06021.09
5.6.80.0070.07720.35
5.6.70.4470.03320.40
5.5.350.0200.04320.51
5.5.340.0030.06717.93
5.5.330.0100.08020.46
5.5.320.0200.08720.07
5.5.310.0270.08020.21
5.5.300.0070.07718.02
5.5.290.0070.06017.97
5.5.280.0100.07320.75
5.5.270.0070.06320.83
5.5.260.0100.03720.79
5.5.250.0170.07020.57
5.5.240.0130.07320.25
5.4.450.1830.04719.42
5.4.440.1630.04019.14
5.4.430.1670.04019.56
5.4.420.1830.04019.46
5.4.410.1830.05019.09
5.4.400.1870.04719.13
5.4.390.1600.04019.10
5.4.380.2030.03319.18
5.4.370.1670.04019.08
5.4.360.1700.03319.25
5.4.350.2100.05019.22
5.4.340.1700.03718.93
5.4.320.1300.03318.81
5.4.310.0000.04019.13
5.4.300.0000.04019.25
5.4.290.1130.03318.93
5.4.280.1730.03318.88
5.4.270.1530.03019.10
5.4.260.1500.03718.89
5.4.250.1500.03318.93
5.4.240.1230.03719.24
5.4.230.1300.03719.15
5.4.220.1300.03318.93
5.4.210.1570.03319.15
5.4.200.1370.03719.09
5.4.190.0730.04718.88
5.4.180.0030.04318.88
5.4.170.1200.04018.80
5.4.160.1870.03719.07
5.4.150.1600.03719.13
5.4.140.1600.03016.28
5.4.130.1370.04016.54
5.4.120.1630.03316.17
5.4.110.1670.03316.50
5.4.100.1500.03016.34
5.4.90.1370.03716.39
5.4.80.1570.03316.38
5.4.70.1670.03016.43
5.4.60.1630.03316.47
5.4.50.1670.03316.04
5.4.40.1600.03316.37
5.4.30.1930.04016.39
5.4.20.1900.03716.47
5.4.10.1570.04716.20
5.4.00.1770.04315.72
5.3.290.1830.04714.50
5.3.280.2100.03014.43
5.3.270.1630.04314.52
5.3.260.1600.04714.54
5.3.250.1730.04714.54
5.3.240.1630.04014.55
5.3.230.1500.04714.46
5.3.220.1370.04014.68
5.3.210.1400.03714.46
5.3.200.1670.03314.42
5.3.190.1870.03714.51
5.3.180.1800.03714.45
5.3.170.1670.03714.53
5.3.160.1900.04314.50
5.3.150.1700.03014.39
5.3.140.1400.04014.60
5.3.130.1530.03714.51
5.3.120.1930.04714.56
5.3.110.1700.04314.39
5.3.100.1530.03714.05
5.3.90.1630.03313.85
5.3.80.1830.04014.10
5.3.70.1700.04013.96
5.3.60.1800.04013.85
5.3.50.1730.03313.84
5.3.40.1970.04313.85
5.3.30.1630.06013.88
5.3.20.1730.03713.70
5.3.10.1900.04713.67
5.3.00.1730.04313.47
5.2.170.2030.02311.15
5.2.160.1400.03311.18
5.2.150.1730.03311.22
5.2.140.1630.03010.98
5.2.130.1400.03011.00
5.2.120.1670.03711.01
5.2.110.1770.02711.11
5.2.100.1600.03311.14
5.2.90.1900.02011.25
5.2.80.1600.04011.11
5.2.70.1370.03311.00
5.2.60.1570.03310.89
5.2.50.1670.03310.87
5.2.40.1070.03311.03
5.2.30.1300.03311.01
5.2.20.1070.02710.89
5.2.10.1000.03010.77
5.2.00.1030.02710.76
5.1.60.1000.02710.00
5.1.50.1200.03010.00
5.1.40.1200.02710.09
5.1.30.1000.02710.23
5.1.20.1170.02010.26
5.1.10.1070.02710.18
5.1.00.1170.0209.96
5.0.50.0530.0208.42
5.0.40.0600.0278.38
5.0.30.0500.0378.20
5.0.20.0530.0178.12
5.0.10.0400.0208.16
5.0.00.0530.0278.22
4.4.90.0470.0177.69
4.4.80.0470.0177.69
4.4.70.0570.0137.69
4.4.60.0530.0137.69
4.4.50.0630.0177.69
4.4.40.0770.0407.69
4.4.30.0600.0207.69
4.4.20.0600.0077.69
4.4.10.0500.0177.69
4.4.00.0530.0307.69
4.3.110.0430.0177.69
4.3.100.0570.0177.69
4.3.90.0670.0237.69
4.3.80.0600.0337.69
4.3.70.0530.0177.69
4.3.60.0570.0137.69
4.3.50.0670.0237.69
4.3.40.0500.0407.69
4.3.30.0230.0177.69
4.3.20.0400.0237.69
4.3.10.0270.0177.69
4.3.00.0230.0177.69

preferences:
45.43 ms | 401 KiB | 5 Q