3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = null; $data_set = $data ?? "undefined"; echo $data_set;

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)
8.3.40.0120.00918.54
8.3.30.0140.00318.71
8.3.20.0040.00420.09
8.3.10.0040.00423.66
8.3.00.0110.00019.00
8.2.170.0070.00722.96
8.2.160.0100.00720.43
8.2.150.0060.00324.18
8.2.140.0070.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00419.02
8.2.110.0060.00322.25
8.2.100.0110.00017.75
8.2.90.0040.00419.09
8.2.80.0000.00917.97
8.2.70.0000.00917.38
8.2.60.0000.00817.80
8.2.50.0080.00018.07
8.2.40.0030.00721.00
8.2.30.0040.00420.67
8.2.20.0040.00417.68
8.2.10.0080.00017.98
8.2.00.0050.00318.15
8.1.270.0030.00623.82
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.44
8.1.230.0080.00417.68
8.1.220.0030.00717.74
8.1.210.0050.00318.77
8.1.200.0090.00017.10
8.1.190.0040.00417.10
8.1.180.0090.00018.10
8.1.170.0080.00019.03
8.1.160.0040.00421.81
8.1.150.0000.00818.74
8.1.140.0000.00819.51
8.1.130.0000.00717.63
8.1.120.0030.00317.38
8.1.110.0000.00717.27
8.1.100.0080.00017.38
8.1.90.0000.00717.39
8.1.80.0040.00417.29
8.1.70.0000.00717.43
8.1.60.0040.00417.39
8.1.50.0060.00317.36
8.1.40.0000.00817.33
8.1.30.0080.00417.58
8.1.20.0000.00817.49
8.1.10.0040.00417.51
8.1.00.0030.00617.41
8.0.300.0000.00718.77
8.0.290.0080.00016.75
8.0.280.0050.00318.47
8.0.270.0000.00717.24
8.0.260.0000.00617.23
8.0.250.0050.00216.84
8.0.240.0030.00316.91
8.0.230.0000.00716.77
8.0.220.0030.00316.79
8.0.210.0040.00416.80
8.0.200.0030.00316.86
8.0.190.0060.00616.88
8.0.180.0030.00716.85
8.0.170.0000.00716.63
8.0.160.0040.00416.75
8.0.150.0050.00216.77
8.0.140.0000.00716.72
8.0.130.0030.00313.18
8.0.120.0070.00016.82
8.0.110.0040.00416.80
8.0.100.0030.00516.80
8.0.90.0070.00016.85
8.0.80.0100.00716.78
8.0.70.0000.00716.88
8.0.60.0070.00016.79
8.0.50.0030.00516.74
8.0.30.0100.00817.07
8.0.20.0090.01017.40
8.0.10.0000.00816.91
8.0.00.0090.00816.83
7.4.330.0050.00015.08
7.4.320.0000.00616.32
7.4.300.0030.00316.41
7.4.290.0030.00316.43
7.4.280.0080.00016.39
7.4.270.0000.00716.45
7.4.260.0000.00716.53
7.4.250.0070.00016.38
7.4.240.0020.00616.38
7.4.230.0000.00716.30
7.4.220.0130.00316.47
7.4.210.0070.00716.51
7.4.200.0030.00316.50
7.4.160.0190.00316.32
7.4.150.0070.01117.40
7.4.140.0100.00917.86
7.4.130.0080.01216.49
7.4.120.0140.00616.41
7.4.110.0150.00616.46
7.4.100.0120.00616.36
7.4.90.0120.00616.33
7.4.80.0100.01319.39
7.4.70.0110.00616.46
7.4.60.0060.01316.48
7.4.50.0000.00816.47
7.4.40.0130.00616.41
7.4.30.0070.01016.40
7.4.00.0050.01214.94
7.3.330.0000.00512.98
7.3.320.0050.00013.08
7.3.310.0030.00316.14
7.3.300.0000.00716.16
7.3.290.0070.00016.21
7.3.280.0070.01016.20
7.3.270.0130.00717.40
7.3.260.0140.01116.57
7.3.250.0140.00616.38
7.3.240.0140.00816.30
7.3.230.0090.00916.39
7.3.210.0090.00816.21
7.3.200.0060.00916.23
7.3.190.0160.00016.49
7.3.180.0100.00716.48
7.3.170.0070.01416.51
7.3.160.0030.01316.23
7.3.120.0080.01014.80
7.3.110.0110.00514.84
7.3.100.0080.00714.87
7.3.90.0030.01214.52
7.3.80.0100.00614.57
7.3.70.0040.00714.80
7.3.60.0050.00814.64
7.3.50.0030.01114.77
7.3.40.0020.01014.53
7.3.30.0100.00314.78
7.3.20.0070.00416.41
7.3.10.0080.00516.48
7.3.00.0030.01016.52
7.2.330.0090.01316.25
7.2.320.0150.00316.27
7.2.310.0130.00416.23
7.2.300.0170.02616.49
7.2.290.0070.01016.56
7.2.250.0090.01014.81
7.2.240.0070.01015.08
7.2.230.0020.01214.86
7.2.220.0080.00514.87
7.2.210.0080.00614.58
7.2.200.0030.01014.82
7.2.190.0070.00714.78
7.2.180.0110.00714.72
7.2.170.0070.00914.84
7.2.160.0030.00814.98
7.2.150.0110.00416.91
7.2.140.0060.01216.81
7.2.130.0050.00716.69
7.2.120.0030.01216.58
7.2.110.0020.01316.59
7.2.100.0000.01016.67
7.2.90.0090.00816.55
7.2.80.0060.00816.93
7.2.70.0030.01016.66
7.2.60.0020.01116.69
7.2.50.0090.00816.88
7.2.40.0050.00516.77
7.2.30.0100.00316.89
7.2.20.0030.01016.67
7.2.10.0030.01216.71
7.2.00.0050.00717.56
7.1.330.0110.00315.45
7.1.320.0070.00515.57
7.1.310.0070.00615.61
7.1.300.0020.01215.61
7.1.290.0090.00315.59
7.1.280.0050.00915.54
7.1.270.0060.00615.36
7.1.260.0080.00515.62
7.1.250.0070.00415.51
7.1.240.0070.00715.52
7.1.230.0080.00015.44
7.1.220.0070.00715.63
7.1.210.0040.01115.66
7.1.200.0030.00915.49
7.1.190.0080.00415.78
7.1.180.0100.00315.69
7.1.170.0030.01015.75
7.1.160.0080.00815.54
7.1.150.0000.01715.40
7.1.140.0090.00615.80
7.1.130.0030.00715.44
7.1.120.0060.00615.48
7.1.110.0040.00715.80
7.1.100.0020.00816.91
7.1.90.0070.00415.34
7.1.80.0090.00315.60
7.1.70.0030.00716.41
7.1.60.0080.00617.62
7.1.50.0050.01116.09
7.1.40.0120.00415.64
7.1.30.0070.00715.58
7.1.20.0000.01015.80
7.1.10.0080.00015.75
7.1.00.0100.03518.88
7.0.330.0060.00615.23
7.0.320.0030.00815.40
7.0.310.0110.00415.15
7.0.300.0060.00315.47
7.0.290.0060.00615.32
7.0.280.0040.00715.09
7.0.270.0030.00915.09
7.0.260.0080.00315.04
7.0.250.0080.00015.39
7.0.240.0030.00615.39
7.0.230.0030.01015.14
7.0.220.0030.00615.16
7.0.210.0060.00615.30
7.0.200.0210.00414.95
7.0.190.0100.00315.27
7.0.180.0100.00615.28
7.0.170.0070.01015.49
7.0.160.0040.00715.21
7.0.150.0060.00615.31
7.0.140.0040.00415.06
7.0.130.0040.00415.34
7.0.120.0030.00915.00
7.0.110.0060.00615.30
7.0.100.0000.00915.54
7.0.90.0030.01015.54
7.0.80.0030.01315.34
7.0.70.0100.00315.38
7.0.60.0130.03517.48
7.0.50.0080.04216.37
7.0.40.0100.03916.58
7.0.30.0140.02216.78
7.0.20.0200.04316.65
7.0.10.0100.03716.71
7.0.00.0030.03916.73
5.6.400.0000.01814.29
5.6.390.0040.00714.29
5.6.380.0090.00614.36
5.6.370.0070.00314.20
5.6.360.0030.00713.95
5.6.350.0050.00514.16
5.6.340.0040.01214.32
5.6.330.0030.00613.79
5.6.320.0030.00914.33
5.6.310.0040.00414.29
5.6.300.0060.00614.10
5.6.290.0030.01014.43
5.6.280.0000.00814.20
5.6.270.0060.00614.29
5.6.260.0000.01114.49
5.6.250.0040.01114.17
5.6.240.0070.01014.22
5.6.230.0060.00914.00
5.6.220.0000.01114.36
5.6.210.0070.04517.40
5.6.200.0020.03716.10
5.6.190.0020.03317.24
5.6.180.1510.02217.24
5.6.170.0150.04517.21
5.6.160.0070.04217.25
5.6.150.0050.02316.08
5.6.140.0060.03616.04
5.6.130.0070.02016.18
5.6.120.0130.03217.67
5.6.110.0080.04517.58
5.6.100.0070.03317.51
5.6.90.0050.04117.56
5.6.80.0070.02617.22
5.6.70.0000.01614.06
5.6.60.0070.00714.11
5.6.50.0060.00813.95
5.6.40.0040.00414.02
5.6.30.0060.00613.93
5.6.20.0030.00714.17
5.6.10.0090.00013.90
5.6.00.0060.00614.00
5.5.380.0080.00814.27
5.5.370.0030.00913.93
5.5.360.0060.00314.07
5.5.350.2240.02117.24
5.5.340.0050.04516.03
5.5.330.0070.04217.02
5.5.320.0100.02717.15
5.5.310.0160.04017.19
5.5.300.0060.04315.97
5.5.290.0080.04415.86
5.5.280.0090.03217.49
5.5.270.0070.05017.33
5.5.260.0130.03317.49
5.5.250.0020.03817.19
5.5.240.0020.04816.88
5.5.230.0030.00714.14
5.5.220.0040.00813.93
5.5.210.0060.00913.92
5.5.200.0080.00413.97
5.5.190.0030.01113.47
5.5.180.0100.00613.80
5.5.170.0080.00313.78
5.5.160.0100.00313.73
5.5.150.0030.00713.95
5.5.140.0000.00914.11
5.5.130.0110.00413.88
5.5.120.0040.00413.90
5.5.110.0070.00713.57
5.5.100.0040.00713.85
5.5.90.0000.01013.91
5.5.80.0070.00714.02
5.5.70.0050.00313.91
5.5.60.0030.00913.41
5.5.50.0070.00713.58
5.5.40.0090.00913.49
5.5.30.0030.00713.57
5.5.20.0000.01713.54
5.5.10.0080.00413.69
5.5.00.0060.00614.01
5.4.450.0080.03815.99
5.4.440.0110.02816.14
5.4.430.0280.02816.25
5.4.420.0320.03916.00
5.4.410.0180.03716.18
5.4.400.0110.02515.98
5.4.390.0170.03215.96
5.4.380.0250.03016.09
5.4.370.0310.02516.04
5.4.360.0100.03115.82
5.4.350.0080.02815.97
5.4.340.0110.02615.89
5.4.330.0070.00312.80
5.4.320.0070.03315.90
5.4.310.0100.02815.97
5.4.300.0080.03115.96
5.4.290.0070.03115.84
5.4.280.0130.02815.97
5.4.270.0120.02516.04
5.4.260.0080.02816.04
5.4.250.0130.02715.97
5.4.240.0100.02916.04
5.4.230.0170.02215.97
5.4.220.0140.02916.03
5.4.210.0120.03115.98
5.4.200.0100.03015.88
5.4.190.0100.03216.05
5.4.180.0070.03815.97
5.4.170.0150.03016.03
5.4.160.0190.02216.02
5.4.150.0080.03816.03
5.4.140.0140.02714.63
5.4.130.0110.02814.52
5.4.120.0130.03014.53
5.4.110.0150.03414.69
5.4.100.0110.03314.62
5.4.90.0120.02814.63
5.4.80.0120.03014.60
5.4.70.0140.02614.53
5.4.60.0190.02214.60
5.4.50.0160.02614.71
5.4.40.0110.03414.64
5.4.30.0180.02414.65
5.4.20.0140.02614.69
5.4.10.0150.02814.69
5.4.00.0090.02814.29

preferences:
48.71 ms | 400 KiB | 5 Q