3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "0aa"; echo empty($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)
8.3.60.0000.01618.02
8.3.50.0100.00821.92
8.3.40.0150.00618.73
8.3.30.0030.01018.98
8.3.20.0040.00420.16
8.3.10.0040.00423.61
8.3.00.0040.00419.03
8.2.180.0090.00616.38
8.2.170.0070.01122.96
8.2.160.0100.00322.11
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0120.00626.16
8.2.120.0050.00321.12
8.2.110.0030.00620.57
8.2.100.0080.00417.72
8.2.90.0060.00317.75
8.2.80.0030.00518.48
8.2.70.0040.00418.04
8.2.60.0000.00718.03
8.2.50.0000.00718.10
8.2.40.0040.00421.02
8.2.30.0070.00019.22
8.2.20.0040.00417.55
8.2.10.0040.00418.04
8.2.00.0040.00417.48
8.1.280.0100.01325.92
8.1.270.0080.00018.95
8.1.260.0050.00226.35
8.1.250.0170.00028.09
8.1.240.0030.00622.27
8.1.230.0050.00517.83
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0000.00917.23
8.1.190.0050.00317.22
8.1.180.0000.00818.10
8.1.170.0060.00318.55
8.1.160.0040.00418.94
8.1.150.0000.00718.76
8.1.140.0000.00717.29
8.1.130.0000.00717.69
8.1.120.0040.00417.43
8.1.110.0040.00417.26
8.1.100.0030.00317.35
8.1.90.0000.00717.41
8.1.80.0030.00417.44
8.1.70.0040.00417.30
8.1.60.0080.00017.40
8.1.50.0000.00817.33
8.1.40.0000.00817.32
8.1.30.0000.00817.58
8.1.20.0040.00417.49
8.1.10.0000.00717.50
8.1.00.0000.00717.32
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0040.00418.43
8.0.270.0000.00717.24
8.0.260.0000.00617.25
8.0.250.0030.00617.00
8.0.240.0040.00416.84
8.0.230.0030.00316.86
8.0.220.0000.00716.79
8.0.210.0070.00016.72
8.0.200.0070.00016.93
8.0.190.0000.00816.92
8.0.180.0070.00016.77
8.0.170.0000.00716.82
8.0.160.0030.00316.84
8.0.150.0000.00716.80
8.0.140.0000.00716.70
8.0.130.0040.00413.26
8.0.120.0040.00416.79
8.0.110.0040.00416.78
8.0.100.0050.00216.67
8.0.90.0040.00416.73
8.0.80.0060.01016.88
8.0.70.0070.00016.79
8.0.60.0040.00416.77
8.0.50.0040.00416.93
8.0.30.0120.01017.01
8.0.20.0120.00617.40
8.0.10.0040.00416.90
8.0.00.0110.00916.74
7.4.330.0000.00515.03
7.4.320.0000.00616.43
7.4.300.0060.00016.48
7.4.290.0000.00816.54
7.4.280.0030.00716.39
7.4.270.0030.00316.58
7.4.260.0000.00816.49
7.4.250.0040.00416.40
7.4.240.0020.00516.48
7.4.230.0030.00316.34
7.4.220.0150.00416.34
7.4.210.0100.00316.46
7.4.200.0000.00716.32
7.4.160.0100.00616.30
7.4.150.0070.01017.40
7.4.140.0070.01017.86
7.4.130.0150.00316.19
7.4.120.0090.00716.46
7.4.110.0130.00716.63
7.4.100.0130.00316.46
7.4.90.0100.00716.36
7.4.80.0140.00419.39
7.4.70.0100.00716.53
7.4.60.0120.00316.55
7.4.50.0050.00016.34
7.4.40.0040.01416.60
7.4.30.0060.01716.36
7.4.00.0060.00914.97
7.3.330.0070.00012.97
7.3.320.0030.00312.86
7.3.310.0000.00715.95
7.3.300.0030.00315.98
7.3.290.0070.00816.11
7.3.280.0120.00716.13
7.3.270.0080.00817.40
7.3.260.0120.00916.39
7.3.250.0080.00916.26
7.3.240.0150.00916.17
7.3.230.0130.00916.42
7.3.210.0130.00616.28
7.3.200.0040.01519.39
7.3.190.0000.01716.37
7.3.180.0130.00316.41
7.3.170.0100.01016.49
7.3.160.0080.00816.25
7.3.120.0030.01414.75
7.3.110.0070.01014.89
7.3.100.0040.00714.45
7.3.90.0050.00814.33
7.3.80.0090.00614.71
7.3.70.0040.00814.71
7.3.60.0080.00514.71
7.3.50.0060.00314.58
7.3.40.0060.00614.66
7.3.30.0090.00314.66
7.3.20.0070.00716.47
7.3.10.0090.00616.55
7.3.00.0040.00416.60
7.2.330.0110.00716.36
7.2.320.0090.01016.45
7.2.310.0070.01016.54
7.2.300.0090.01516.52
7.2.290.0090.01416.61
7.2.240.0170.00014.81
7.2.230.0030.01215.05
7.2.220.0130.00314.56
7.2.210.0070.00414.94
7.2.200.0070.00314.94
7.2.190.0030.00714.61
7.2.180.0030.01014.82
7.2.170.0030.01014.95
7.2.160.0050.00514.68
7.2.150.0030.01016.33
7.2.140.0000.01216.76
7.2.130.0080.00616.49
7.2.120.0080.00516.75
7.2.110.0070.01016.66
7.2.100.0100.00616.75
7.2.90.0070.01016.74
7.2.80.0000.01416.48
7.2.70.0040.01116.77
7.2.60.0460.00815.92
7.2.50.0030.00916.85
7.2.40.0100.00316.54
7.2.30.0080.00816.43
7.2.20.0030.01016.68
7.2.10.0060.00616.63
7.2.00.0050.00818.10
7.1.330.0100.00715.63
7.1.320.0000.01315.43
7.1.310.0060.00915.66
7.1.300.0030.00715.57
7.1.290.0040.00815.37
7.1.280.0030.01015.72
7.1.270.0060.00615.81
7.1.260.0040.01115.77
7.1.250.0090.00315.68
7.1.100.0060.00317.93
7.1.70.0060.00316.74
7.1.60.0110.01119.22
7.1.50.0070.01516.85
7.1.00.0030.07322.54
7.0.200.0040.00416.81
7.0.140.0000.05022.08
7.0.60.0100.07719.87
7.0.50.0070.06317.71
7.0.40.0030.09020.27
7.0.30.0330.06720.16
7.0.20.0270.08720.09
7.0.10.0030.07020.20
7.0.00.0130.08020.03
5.6.280.0030.07021.11
5.6.210.0000.07720.46
5.6.200.0130.06718.22
5.6.190.0030.05320.43
5.6.180.3230.03320.37
5.6.170.0230.06320.50
5.6.160.0070.08320.50
5.6.150.0070.08318.12
5.6.140.0030.08318.07
5.6.130.0100.08018.13
5.6.120.0030.09020.96
5.6.110.0070.03720.98
5.6.100.0170.07320.97
5.6.90.0030.08721.00
5.6.80.0130.07720.37
5.6.70.3270.03020.39
5.5.350.0170.08320.32
5.5.340.0000.04318.00
5.5.330.0030.09020.13
5.5.320.0230.08720.28
5.5.310.0170.05320.30
5.5.300.0070.08717.99
5.5.290.0200.07017.94
5.5.280.0070.07720.76
5.5.270.0030.06720.86
5.5.260.0070.03720.86
5.5.250.0030.08720.69
5.5.240.0230.03720.17
5.4.450.0600.05719.47
5.4.440.0970.06019.51
5.4.430.0830.05719.16
5.4.420.0770.05319.53
5.4.410.0100.05719.04
5.4.400.0700.06318.85
5.4.390.0330.06718.71
5.4.380.0300.06018.75
5.4.370.0400.05318.56
5.4.360.0400.04718.70
5.4.350.0230.06718.74
5.4.340.0330.05318.65
5.4.320.0330.06718.56
5.4.310.0400.05318.68
5.4.300.0330.05318.64
5.4.290.0400.04718.51
5.4.280.0400.04718.69
5.4.270.0370.05318.69
5.4.260.0400.04718.52
5.4.250.0370.05718.70
5.4.240.0600.05018.61
5.4.230.0470.05018.63
5.4.220.0370.05718.68
5.4.210.0330.05718.55
5.4.200.0500.06016.38
5.4.190.0400.06018.48
5.4.180.0370.05018.60
5.4.170.0270.06318.44
5.4.160.0270.05718.49
5.4.150.0330.05318.64
5.4.140.0330.05016.07
5.4.130.0230.06316.26
5.4.120.0430.06316.21
5.4.110.0300.05016.19
5.4.100.0270.05716.21
5.4.90.0230.05716.22
5.4.80.0270.05716.14
5.4.70.0400.05016.02
5.4.60.0370.05316.04
5.4.50.0330.07016.09
5.4.40.0270.06016.18
5.4.30.0300.05016.22
5.4.20.0400.04716.13
5.4.10.0400.05016.28
5.4.00.0430.06015.51
5.3.290.0300.05714.66
5.3.280.0330.07314.56
5.3.270.0370.06014.59
5.3.260.0400.06014.67
5.3.250.0330.07014.56
5.3.240.0330.05314.60
5.3.230.0370.05314.70
5.3.220.0300.05314.63
5.3.210.0370.05014.49
5.3.200.0300.05314.45
5.3.190.0300.05314.49
5.3.180.0300.05314.65
5.3.170.0400.04714.63
5.3.160.0330.05314.57
5.3.150.0370.05014.52
5.3.140.0330.04714.46
5.3.130.0270.05714.47
5.3.120.0330.06014.49
5.3.110.0400.06714.52
5.3.100.0300.05013.95
5.3.90.0370.04313.96
5.3.80.0400.04013.99
5.3.70.0270.06014.12
5.3.60.0430.04713.91
5.3.50.0400.04714.03
5.3.40.0400.04713.94
5.3.30.0500.05314.00
5.3.20.0230.05713.62
5.3.10.0300.05013.58
5.3.00.0270.05713.56
5.2.170.0200.05011.13
5.2.160.0230.04311.11
5.2.150.0270.04311.09
5.2.140.0300.04311.29
5.2.130.0330.05011.06
5.2.120.0270.05711.04
5.2.110.0300.05311.15
5.2.100.0230.04711.08
5.2.90.0270.04711.16
5.2.80.0230.04711.23
5.2.70.0400.05011.14
5.2.60.0370.03711.01
5.2.50.0200.04711.02
5.2.40.0230.04011.03
5.2.30.0130.04710.95
5.2.20.0230.04311.07
5.2.10.0230.04010.81
5.2.00.0270.03710.81
5.1.60.0230.03710.05
5.1.50.0230.04010.02
5.1.40.0130.0439.99
5.1.30.0170.03310.48
5.1.20.0130.04310.39
5.1.10.0230.03710.08
5.1.00.0300.04310.13
5.0.50.0200.0308.56
5.0.40.0170.0378.43
5.0.30.0100.0608.29
5.0.20.0170.0338.32
5.0.10.0270.0308.23
5.0.00.0170.0508.28
4.4.90.0200.0235.93
4.4.80.0100.0335.84
4.4.70.0100.0275.91
4.4.60.0130.0205.90
4.4.50.0070.0305.91
4.4.40.0130.0335.85
4.4.30.0130.0205.90
4.4.20.0100.0235.88
4.4.10.0230.0235.96
4.4.00.0100.0375.92
4.3.110.0070.0305.87
4.3.100.0100.0305.73
4.3.90.0170.0205.77
4.3.80.0170.0305.79
4.3.70.0100.0235.81
4.3.60.0070.0235.81
4.3.50.0130.0205.79
4.3.40.0070.0405.77
4.3.30.0030.0274.55
4.3.20.0070.0234.53
4.3.10.0030.0234.50
4.3.00.0100.0237.30

preferences:
49.73 ms | 401 KiB | 5 Q