3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "0"; var_dump(isset($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)
8.3.60.0110.00416.13
8.3.50.0130.00721.91
8.3.40.0070.01118.77
8.3.30.0120.00618.75
8.3.20.0040.00420.20
8.3.10.0040.00423.54
8.3.00.0050.00319.02
8.2.180.0120.00618.16
8.2.170.0100.00322.96
8.2.160.0060.01020.57
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0110.00426.16
8.2.120.0050.00219.23
8.2.110.0000.00822.11
8.2.100.0000.01217.78
8.2.90.0000.00819.11
8.2.80.0050.00318.04
8.2.70.0050.00317.50
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0040.00417.90
8.2.30.0040.00418.00
8.2.20.0050.00217.48
8.2.10.0040.00418.05
8.2.00.0050.00517.53
8.1.280.0120.00625.92
8.1.270.0050.00322.19
8.1.260.0030.00526.35
8.1.250.0030.00528.09
8.1.240.0000.00923.83
8.1.230.0070.00419.02
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0090.00017.53
8.1.180.0030.00618.88
8.1.170.0050.00518.58
8.1.160.0000.00721.86
8.1.150.0040.00418.48
8.1.140.0040.00417.38
8.1.130.0000.00717.71
8.1.120.0030.00617.35
8.1.110.0000.01017.26
8.1.100.0000.00817.37
8.1.90.0070.00017.39
8.1.80.0030.00317.27
8.1.70.0060.00317.24
8.1.60.0060.00317.50
8.1.50.0030.00517.43
8.1.40.0000.00817.34
8.1.30.0040.00417.53
8.1.20.0000.00717.58
8.1.10.0020.00517.41
8.1.00.0050.00317.34
8.0.300.0040.00418.77
8.0.290.0050.00317.04
8.0.280.0070.00018.39
8.0.270.0030.00317.14
8.0.260.0060.00018.28
8.0.250.0000.00716.79
8.0.240.0000.00716.82
8.0.230.0040.00416.86
8.0.220.0000.00716.82
8.0.210.0030.00316.80
8.0.200.0000.00616.96
8.0.190.0000.00816.86
8.0.180.0000.00716.89
8.0.170.0080.00016.83
8.0.160.0000.00716.74
8.0.150.0000.00716.78
8.0.140.0040.00416.69
8.0.130.0060.00013.21
8.0.120.0050.00316.75
8.0.110.0080.00016.64
8.0.100.0000.00716.71
8.0.90.0000.00716.80
8.0.80.0040.01116.83
8.0.70.0040.00416.64
8.0.60.0070.00016.80
8.0.50.0040.00416.79
8.0.30.0050.01316.94
8.0.20.0130.00717.24
8.0.10.0150.01116.93
8.0.00.0090.01116.79
7.4.330.0000.00615.07
7.4.320.0030.00316.53
7.4.300.0000.00616.43
7.4.290.0080.00316.35
7.4.280.0080.00016.34
7.4.270.0000.00716.52
7.4.260.0050.00316.30
7.4.250.0040.00416.38
7.4.240.0050.00316.40
7.4.230.0000.00716.36
7.4.220.0130.01016.46
7.4.210.0060.01116.50
7.4.200.0030.00316.41
7.4.190.0070.00016.44
7.4.160.0110.00816.47
7.4.150.0140.00916.94
7.4.140.0160.00517.37
7.4.130.0110.00716.38
7.4.120.0110.00916.42
7.4.110.0090.01216.46
7.4.100.0220.00616.50
7.4.90.0160.01016.43
7.4.80.0130.01117.86
7.4.70.0120.01216.38
7.4.60.0090.01116.41
7.4.50.0110.00516.34
7.4.40.0050.01219.48
7.4.30.0130.00716.30
7.4.20.0130.00616.27
7.4.10.0090.01216.23
7.4.00.0050.01215.58
7.3.330.0040.00412.87
7.3.320.0000.00512.99
7.3.310.0030.00315.98
7.3.300.0070.00016.13
7.3.290.0000.01416.15
7.3.280.0050.01116.13
7.3.270.0120.00816.76
7.3.260.0090.01016.22
7.3.250.0100.00916.33
7.3.240.0100.01016.18
7.3.230.0130.01416.27
7.3.220.0170.01116.04
7.3.210.0100.01116.29
7.3.200.0130.01417.72
7.3.190.0090.01616.09
7.3.180.0140.00816.15
7.3.170.0090.01016.20
7.3.160.0090.00916.21
7.3.150.0130.01116.08
7.3.140.0110.01516.02
7.3.130.0160.00716.08
7.3.120.0080.01315.40
7.3.110.0160.00815.91
7.3.100.0040.01715.88
7.3.90.0180.00616.38
7.3.80.0070.01016.05
7.3.70.0110.01116.21
7.3.60.0090.00916.22
7.3.50.0100.01016.26
7.3.40.0060.01216.21
7.3.30.0060.01416.18
7.3.20.0130.00816.29
7.3.10.0130.00816.26
7.3.00.0170.00516.10
7.2.340.0250.00616.23
7.2.330.0150.00916.21
7.2.320.0230.00316.15
7.2.310.0170.01016.38
7.2.300.0110.01116.27
7.2.290.0160.00716.35
7.2.280.0180.00916.22
7.2.270.0180.01416.23
7.2.260.0240.00716.24
7.2.250.0200.01416.16
7.2.240.0240.00916.15
7.2.230.0360.00916.19
7.2.220.0170.01716.24
7.2.210.0150.01816.22
7.2.200.0270.00916.38
7.2.190.0230.00716.26
7.2.180.0200.00616.35
7.2.170.0210.01216.42
7.2.160.0240.01016.38
7.2.150.0240.00316.45
7.2.140.0220.00416.41
7.2.130.0200.00616.46
7.2.120.0140.01416.60
7.2.110.0200.00616.58
7.2.100.0180.00816.51
7.2.90.0150.01116.22
7.2.80.0130.01216.22
7.2.70.0220.00516.56
7.2.60.0190.00616.37
7.2.50.0160.00416.55
7.2.40.0290.00616.45
7.2.30.0160.01016.34
7.2.20.0150.00816.61
7.2.10.0080.01716.50
7.2.00.0180.00716.54
7.1.330.0170.01015.43
7.1.320.0150.01515.46
7.1.310.0160.01115.50
7.1.300.0250.00715.49
7.1.290.0290.00315.46
7.1.280.0210.00615.46
7.1.270.0230.00315.52
7.1.260.0190.01215.42
7.1.250.0170.00715.13
7.1.240.0160.01215.41
7.1.230.0230.01215.39
7.1.220.0170.01415.40
7.1.210.0320.00515.43
7.1.200.0300.00615.44
7.1.190.0240.01115.45
7.1.180.0160.01015.48
7.1.170.0170.00715.36
7.1.160.0270.00215.37
7.1.150.0190.00815.36
7.1.140.0300.00515.43
7.1.130.0200.00615.39
7.1.120.0180.01215.26
7.1.110.0850.01215.31
7.1.100.0210.01015.28
7.1.90.0120.02015.34
7.1.80.0330.00715.34
7.1.70.0110.00915.94
7.1.60.0200.00617.39
7.1.50.0160.01016.02
7.1.40.0250.00415.47
7.1.30.0180.00815.31
7.1.20.0180.00915.34
7.1.10.0140.01415.38
7.1.00.0130.03818.83
7.0.330.0210.00315.07
7.0.320.0230.00414.99
7.0.310.0180.00915.07
7.0.300.0100.01515.05
7.0.290.0090.01815.02
7.0.280.0300.00014.89
7.0.270.0190.00814.99
7.0.260.0270.00514.96
7.0.250.0180.01015.30
7.0.240.0200.00715.26
7.0.230.0220.00715.23
7.0.220.0240.00015.16
7.0.210.0110.01715.08
7.0.200.0230.00414.85
7.0.190.0210.00615.12
7.0.180.0160.01315.13
7.0.170.0840.00615.26
7.0.160.0230.00415.16
7.0.150.0170.01015.12
7.0.140.0100.03918.59
7.0.130.0210.01215.13
7.0.120.0160.00815.07
7.0.110.0800.00815.10
7.0.100.0130.02717.51
7.0.90.0090.04817.42
7.0.80.0250.03917.39
7.0.70.0280.04217.40
7.0.60.0130.04117.50
7.0.50.0090.04617.64
7.0.40.0100.04817.50
7.0.30.0130.03317.56
7.0.20.0260.02917.57
7.0.10.0100.03117.63
7.0.00.0290.03817.49
5.6.400.0330.00715.70
5.6.390.0130.01315.74
5.6.380.0180.01415.70
5.6.370.0210.01215.64
5.6.360.0150.01115.70
5.6.350.0100.01615.65
5.6.340.0180.00815.54
5.6.330.0200.00715.75
5.6.320.0220.00715.67
5.6.310.0220.00315.70
5.6.300.0160.01615.53
5.6.290.0170.00815.71
5.6.280.0150.03618.39
5.6.270.0130.01315.67
5.6.260.0210.01515.81
5.6.250.0110.03018.25
5.6.240.0190.03818.19
5.6.230.0100.03218.20
5.6.220.0120.03618.21
5.6.210.0160.04518.14
5.6.200.0260.03118.43
5.6.190.0190.04718.39
5.6.180.0180.04318.47
5.6.170.0160.04018.34
5.6.160.0180.02318.41
5.6.150.0150.02418.36
5.6.140.0140.02818.37
5.6.130.0100.02818.37
5.6.120.0150.02718.37
5.6.110.0110.03318.38
5.6.100.0110.03618.27
5.6.90.0120.02818.27
5.6.80.0160.02518.06
5.6.70.0100.04718.12
5.6.60.0100.02918.17
5.6.50.0160.04018.16
5.6.40.0170.03318.11
5.6.30.0120.04318.07
5.6.20.0190.04318.00
5.6.10.0110.04618.06
5.6.00.0100.04418.01
5.5.380.0090.04618.10
5.5.370.0170.04218.04
5.5.360.0110.04117.87
5.5.350.0130.04817.92
5.5.340.0200.03918.14
5.5.330.0150.04118.21
5.5.320.0120.04318.23
5.5.310.0160.03518.21
5.5.300.0140.03418.15
5.5.290.0220.04418.16
5.5.280.0150.02718.07
5.5.270.0190.03718.26
5.5.260.0070.05218.14
5.5.250.0120.04718.12
5.5.240.0120.04417.87
5.5.230.0120.02417.89
5.5.220.0150.04417.84
5.5.210.0110.04618.02
5.5.200.0170.03317.88
5.5.190.0130.03917.92
5.5.180.0120.04017.76
5.5.170.0200.00915.41
5.5.160.0230.03017.88
5.5.150.0070.04217.76
5.5.140.0070.05317.75
5.5.130.0150.04217.67
5.5.120.0100.04517.66
5.5.110.0170.03217.75
5.5.100.0110.04517.82
5.5.90.0100.04717.81
5.5.80.0170.03817.85
5.5.70.0100.04617.82
5.5.60.0120.04417.67
5.5.50.0100.04817.69
5.5.40.0070.04617.74
5.5.30.0130.04417.79
5.5.20.0110.04817.86
5.5.10.0110.04117.77
5.5.00.0160.04717.81
5.4.450.0090.03215.89
5.4.440.0150.02015.95
5.4.430.0090.04715.86
5.4.420.0160.03815.94
5.4.410.0110.02615.77
5.4.400.0100.02515.71
5.4.390.0050.04515.66
5.4.380.0070.02915.74
5.4.370.0110.02915.60
5.4.360.0150.03715.77
5.4.350.0110.02915.67
5.4.340.0040.04715.63
5.4.330.0160.00712.43
5.4.320.0070.03115.72
5.4.310.0130.04115.79
5.4.300.0150.03615.83
5.4.290.0130.03815.83
5.4.280.0170.03815.80
5.4.270.0090.03915.77
5.4.260.0100.04315.67
5.4.250.0110.04115.72
5.4.240.0080.04415.71
5.4.230.0120.03215.67
5.4.220.0050.03715.73
5.4.210.0130.04215.65
5.4.200.0140.02815.50
5.4.190.0100.04315.62
5.4.180.0130.04115.68
5.4.170.0140.03815.73
5.4.160.0140.03515.64
5.4.150.0090.03615.73
5.4.140.0070.04214.36
5.4.130.0090.04114.31
5.4.120.0080.03514.34
5.4.110.0160.03814.37
5.4.100.0130.03314.40
5.4.90.0220.04114.29
5.4.80.0120.04014.29
5.4.70.0100.04014.33
5.4.60.0080.04014.31
5.4.50.0090.03914.27
5.4.40.0090.04114.41
5.4.30.0090.03714.30
5.4.20.0110.04314.36
5.4.10.0100.03814.32
5.4.00.0160.03414.00
5.3.290.0090.02613.78
5.3.280.0120.03813.74
5.3.270.0110.04213.65
5.3.260.0130.02813.78
5.3.250.0130.04513.78
5.3.240.0110.03713.69
5.3.230.0090.02613.77
5.3.220.0120.03413.60
5.3.210.0110.04113.67
5.3.200.0080.04013.63
5.3.190.0070.05113.61
5.3.180.0090.02513.67
5.3.170.0150.04013.75
5.3.160.0110.03813.76
5.3.150.0090.04213.61
5.3.140.0140.03613.66
5.3.130.0110.04313.64
5.3.120.0120.04513.81
5.3.110.0120.04213.68
5.3.100.0100.03513.35
5.3.90.0140.04013.44
5.3.80.0090.04613.28
5.3.70.0090.03013.34
5.3.60.0140.03113.52
5.3.50.0140.03013.22
5.3.40.0160.03813.27
5.3.30.0100.04113.32
5.3.20.0100.02913.20
5.3.10.0080.03813.03
5.3.00.0160.03812.96

preferences:
55.43 ms | 401 KiB | 5 Q