3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = NULL; echo isset($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)
8.3.60.0120.00316.50
8.3.50.0130.00622.75
8.3.40.0090.01320.46
8.3.30.0070.00718.96
8.3.20.0040.00420.24
8.3.10.0080.00023.47
8.3.00.0040.00417.50
8.2.180.0160.00016.63
8.2.170.0070.00722.96
8.2.160.0070.00720.51
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0110.00726.16
8.2.120.0040.00421.00
8.2.110.0030.00622.25
8.2.100.0080.00419.39
8.2.90.0030.00519.27
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0040.00418.04
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0040.00418.05
8.2.20.0000.00717.66
8.2.10.0070.00017.89
8.2.00.0070.00017.59
8.1.280.0120.00625.92
8.1.270.0090.00023.82
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.83
8.1.230.0080.00318.95
8.1.220.0030.00617.79
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.23
8.1.180.0020.00518.10
8.1.170.0040.00418.37
8.1.160.0000.00821.98
8.1.150.0030.00618.84
8.1.140.0070.00017.38
8.1.130.0030.00317.74
8.1.120.0000.00717.44
8.1.110.0030.00517.27
8.1.100.0000.00717.43
8.1.90.0030.00417.39
8.1.80.0040.00417.32
8.1.70.0030.00317.27
8.1.60.0040.00417.44
8.1.50.0070.00017.42
8.1.40.0040.00417.37
8.1.30.0080.00017.41
8.1.20.0040.00417.52
8.1.10.0000.00717.52
8.1.00.0060.00317.42
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00818.44
8.0.270.0070.00017.16
8.0.260.0040.00417.16
8.0.250.0000.00716.82
8.0.240.0040.00416.88
8.0.230.0000.00816.92
8.0.220.0060.00016.83
8.0.210.0070.00016.73
8.0.200.0030.00316.84
8.0.190.0030.00516.81
8.0.180.0030.00516.84
8.0.170.0040.00416.89
8.0.160.0000.00716.86
8.0.150.0060.00316.71
8.0.140.0080.00016.75
8.0.130.0070.00313.20
8.0.120.0040.00416.74
8.0.110.0030.00316.79
8.0.100.0040.00416.75
8.0.90.0040.00416.61
8.0.80.0060.01216.88
8.0.70.0000.00716.86
8.0.60.0060.00316.77
8.0.50.0040.00416.73
8.0.30.0090.01117.14
8.0.20.0100.01117.40
8.0.10.0020.00516.96
8.0.00.0120.00616.85
7.4.330.0000.00515.00
7.4.320.0030.00316.33
7.4.300.0030.00316.44
7.4.290.0030.00316.60
7.4.280.0000.00716.42
7.4.270.0000.00716.49
7.4.260.0000.00716.43
7.4.250.0030.00316.43
7.4.240.0000.00716.53
7.4.230.0030.00316.41
7.4.220.0070.01316.35
7.4.210.0070.00716.53
7.4.200.0050.00216.27
7.4.160.0130.00916.56
7.4.150.0130.00617.40
7.4.140.0110.01117.86
7.4.130.0100.00716.35
7.4.120.0100.00716.38
7.4.110.0120.00616.46
7.4.100.0040.01516.45
7.4.90.0070.01416.34
7.4.80.0130.00319.39
7.4.70.0120.00616.34
7.4.60.0120.00616.36
7.4.50.0080.00016.41
7.4.40.0100.00716.51
7.4.30.0080.00816.43
7.4.00.0080.00714.78
7.3.330.0000.00512.93
7.3.320.0050.00013.04
7.3.310.0030.00316.07
7.3.300.0040.00416.07
7.3.290.0100.00516.15
7.3.280.0090.00916.15
7.3.270.0100.00717.40
7.3.260.0110.00616.20
7.3.250.0130.00416.21
7.3.240.0090.00616.41
7.3.230.0140.00316.39
7.3.210.0070.01016.46
7.3.200.0130.00319.39
7.3.190.0110.01116.20
7.3.180.0100.00716.39
7.3.170.0070.01016.46
7.3.160.0040.01216.05
7.3.120.0120.00614.71
7.3.110.0060.01314.55
7.3.100.0120.00614.70
7.3.90.0070.00714.46
7.3.80.0030.01514.91
7.3.70.0040.01514.75
7.3.60.0050.00714.61
7.3.50.0040.01114.52
7.3.40.0090.00814.72
7.3.30.0040.00914.65
7.3.20.0070.00616.61
7.3.10.0060.00716.63
7.3.00.0090.00516.36
7.2.330.0120.00616.37
7.2.320.0090.00916.51
7.2.310.0030.01316.55
7.2.300.0100.01016.62
7.2.290.0070.01416.53
7.2.250.0040.01515.11
7.2.240.0100.00614.77
7.2.230.0060.01014.64
7.2.220.0100.00614.87
7.2.210.0060.01315.02
7.2.200.0070.01115.02
7.2.190.0020.01114.90
7.2.180.0090.00714.96
7.2.170.0030.01114.85
7.2.160.0040.01014.92
7.2.150.0040.01116.68
7.2.140.0020.01416.73
7.2.130.0070.00716.86
7.2.120.0080.00816.66
7.2.110.0120.00616.77
7.2.100.0110.01016.82
7.2.90.0020.01216.79
7.2.80.0070.01116.79
7.2.70.0090.01216.74
7.2.60.0090.00516.63
7.2.50.0070.00716.67
7.2.40.0060.00616.96
7.2.30.0070.01016.84
7.2.20.0110.00616.69
7.2.10.0070.00616.79
7.2.00.0080.01017.52
7.1.330.0030.01415.67
7.1.320.0040.00815.76
7.1.310.0100.00715.38
7.1.300.0090.00515.63
7.1.290.0080.00415.51
7.1.280.0050.00815.60
7.1.270.0020.01015.42
7.1.260.0050.00715.49
7.1.250.0110.00515.58
7.1.240.0070.00915.47
7.1.230.0070.00715.49
7.1.220.0150.00515.44
7.1.210.0050.00815.38
7.1.200.0050.00815.42
7.1.190.0080.01015.42
7.1.180.0050.00815.40
7.1.170.0050.01115.34
7.1.160.0100.00615.74
7.1.150.0080.00515.56
7.1.140.0090.00515.37
7.1.130.0080.01015.57
7.1.120.0060.00915.32
7.1.110.0090.01015.45
7.1.100.0070.00716.26
7.1.90.0090.00915.62
7.1.80.0160.00415.72
7.1.70.0070.00716.00
7.1.60.0080.01016.83
7.1.50.0100.01016.02
7.1.40.0070.00615.62
7.1.30.0050.01015.60
7.1.20.0170.00015.41
7.1.10.0070.01515.58
7.1.00.0110.02918.00
7.0.330.0110.00414.85
7.0.320.0090.00914.92
7.0.310.0030.01215.03
7.0.300.0030.01315.13
7.0.290.0060.01014.97
7.0.280.0100.01315.13
7.0.270.0080.00815.07
7.0.260.0180.00515.17
7.0.250.0130.00915.10
7.0.240.0090.00615.31
7.0.230.0180.00315.01
7.0.220.0130.00915.29
7.0.210.0140.01415.47
7.0.200.0070.00615.90
7.0.190.0170.00315.05
7.0.180.0060.01514.98
7.0.170.0090.00615.14
7.0.160.0140.00015.19
7.0.150.0120.00615.22
7.0.140.0100.03718.58
7.0.130.0180.00015.25
7.0.120.0140.00515.29
7.0.110.0100.01315.34
7.0.100.0110.00715.10
7.0.90.0080.00814.60
7.0.80.0100.00914.90
7.0.70.0100.00515.00
7.0.60.0100.04317.54
7.0.50.0100.04516.57
7.0.40.0130.04917.58
7.0.30.0270.03717.56
7.0.20.0200.04217.55
7.0.10.0140.03017.73
7.0.00.0050.03617.59
5.6.400.0030.01014.11
5.6.390.0110.01113.77
5.6.380.0060.01113.69
5.6.370.0120.00913.77
5.6.360.0090.00713.98
5.6.350.0180.00514.04
5.6.340.0170.00713.85
5.6.330.0090.00613.99
5.6.320.0170.01014.01
5.6.310.0040.01514.01
5.6.300.0080.01613.91
5.6.290.0150.00414.32
5.6.280.0030.04717.51
5.6.270.0150.00614.17
5.6.260.0090.02213.96
5.6.250.0080.00813.99
5.6.240.0130.01314.06
5.6.230.0100.01414.31
5.6.220.0100.01714.08
5.6.210.0140.04217.34
5.6.200.0070.04716.05
5.6.190.0110.03017.37
5.6.180.0430.03017.15
5.6.170.0160.04617.24
5.6.160.0100.02517.29
5.6.150.0150.03816.15
5.6.140.0130.03916.17
5.6.130.0120.02316.16
5.6.120.0110.02717.65
5.6.110.0130.02217.53
5.6.100.0110.03617.63
5.6.90.0170.03817.62
5.6.80.0080.02217.21
5.6.70.0060.00913.52
5.6.60.0100.01013.90
5.6.50.0200.00014.11
5.6.40.0140.00613.64
5.6.30.0120.01213.74
5.6.20.0090.00914.13
5.6.10.0100.01614.10
5.6.00.0110.01113.66
5.5.380.0090.00714.03
5.5.370.0130.01013.93
5.5.360.0130.01914.18
5.5.350.0080.04517.47
5.5.340.0120.03915.99
5.5.330.0070.02617.16
5.5.320.0100.04717.19
5.5.310.0240.02717.13
5.5.300.0100.04715.89
5.5.290.0140.02315.98
5.5.280.0130.04617.40
5.5.270.0040.04117.29
5.5.260.0090.04217.29
5.5.250.0110.04317.31
5.5.240.0140.03417.08
5.5.230.0180.01513.98
5.5.220.0170.00413.71
5.5.210.0000.01713.82
5.5.200.0200.00713.68
5.5.190.0170.00713.75
5.5.180.0110.01514.10
5.5.170.0130.01414.19
5.5.160.0090.00713.88
5.5.150.0030.01613.76
5.5.140.0120.00914.11
5.5.130.0160.00313.73
5.5.120.0140.00913.91
5.5.110.0240.00613.67
5.5.100.0100.00614.06
5.5.90.0040.01313.90
5.5.80.0170.00913.99
5.5.70.0070.02013.84
5.5.60.0130.01714.19
5.5.50.0060.00913.48
5.5.40.0060.00613.71
5.5.30.0040.01213.91
5.5.20.0110.00514.02
5.5.10.0220.00314.07
5.5.00.0160.00013.78
5.4.450.0180.03015.13
5.4.440.0170.02715.09
5.4.430.0250.03715.13
5.4.420.0220.03215.12
5.4.410.0210.03715.02
5.4.400.0200.03014.84
5.4.390.0220.03715.04
5.4.380.0150.02514.72
5.4.370.0270.02715.02
5.4.360.0240.03614.86
5.4.350.0200.02314.93
5.4.340.0130.03214.94
5.4.330.0060.00610.87
5.4.320.0190.03414.97
5.4.310.0270.02014.88
5.4.300.0200.02714.84
5.4.290.0200.02914.86
5.4.280.0200.02314.90
5.4.270.0240.02614.92
5.4.260.0130.02814.95
5.4.250.0270.02814.65
5.4.240.0210.03514.85
5.4.230.0160.02314.83
5.4.220.0190.01914.93
5.4.210.0200.03214.98
5.4.200.0170.01914.85
5.4.190.0190.02214.93
5.4.180.0220.02014.90
5.4.170.0250.03515.01
5.4.160.0230.03214.90
5.4.150.0160.04714.86
5.4.140.0160.02113.44
5.4.130.0220.01813.43
5.4.120.0160.02613.52
5.4.110.0160.02113.56
5.4.100.0180.02313.46
5.4.90.0210.02813.63
5.4.80.0190.03313.51
5.4.70.0140.02413.48
5.4.60.0200.03913.65
5.4.50.0180.03213.47
5.4.40.0130.02513.60
5.4.30.0200.02413.66
5.4.20.0200.03713.51
5.4.10.0200.02713.54
5.4.00.0170.03513.14

preferences:
44.31 ms | 401 KiB | 5 Q