3v4l.org

run code in 300+ PHP versions simultaneously
<?php $levels = [1,2,3,4,5,6]; $digits = count($levels); print sprintf("%0" . $digits . "d",decbin(255));

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)
8.3.60.0120.00616.38
8.3.50.0080.00816.13
8.3.40.0170.00318.54
8.3.30.0110.00319.09
8.3.20.0040.00420.05
8.3.10.0000.00723.65
8.3.00.0050.00319.66
8.2.180.0120.00918.41
8.2.170.0080.00822.96
8.2.160.0140.00019.29
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.50
8.2.110.0070.00319.39
8.2.100.0060.00617.91
8.2.90.0000.00817.75
8.2.80.0000.00817.97
8.2.70.0040.00417.80
8.2.60.0050.00218.22
8.2.50.0000.00818.10
8.2.40.0040.00418.09
8.2.30.0000.00718.15
8.2.20.0040.00417.58
8.2.10.0040.00418.05
8.2.00.0080.00017.65
8.1.270.0090.00022.08
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.84
8.1.230.0110.00017.45
8.1.220.0000.00817.76
8.1.210.0060.00318.77
8.1.200.0030.00617.13
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0000.00818.65
8.1.160.0000.00722.17
8.1.150.0000.00718.78
8.1.140.0050.00517.35
8.1.130.0000.00717.72
8.1.120.0030.00317.45
8.1.110.0030.00517.45
8.1.100.0030.00317.43
8.1.90.0000.00717.35
8.1.80.0040.00417.44
8.1.70.0030.00317.39
8.1.60.0090.00017.63
8.1.50.0000.00817.47
8.1.40.0060.00617.53
8.1.30.0000.00817.57
8.1.20.0000.00917.56
8.1.10.0040.00417.46
8.1.00.0030.00617.41
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.35
8.0.270.0040.00417.14
8.0.260.0030.00317.29
8.0.250.0000.00616.84
8.0.240.0040.00416.94
8.0.230.0080.00016.96
8.0.220.0000.00716.91
8.0.210.0030.00316.74
8.0.200.0050.00316.98
8.0.190.0040.00416.84
8.0.180.0040.00416.79
8.0.170.0070.00016.78
8.0.160.0000.00716.92
8.0.150.0000.00716.72
8.0.140.0070.00016.83
8.0.130.0030.00313.34
8.0.120.0000.00716.70
8.0.110.0050.00216.74
8.0.100.0030.00316.74
8.0.90.0080.00016.91
8.0.80.0040.01116.77
8.0.70.0000.00716.75
8.0.60.0030.00316.95
8.0.50.0000.00716.93
8.0.30.0070.01116.96
8.0.20.0160.00317.40
8.0.10.0040.00416.89
8.0.00.0090.01216.94
7.4.330.0030.00315.03
7.4.320.0070.00016.51
7.4.300.0030.00316.63
7.4.290.0000.00716.61
7.4.280.0040.00416.49
7.4.270.0080.00016.59
7.4.260.0000.01016.37
7.4.250.0000.00716.37
7.4.240.0030.00316.52
7.4.230.0030.00316.30
7.4.220.0140.00816.57
7.4.210.0150.00616.62
7.4.200.0040.00416.66
7.4.160.0030.01316.41
7.4.150.0060.01217.40
7.4.140.0150.01117.86
7.4.130.0170.00016.47
7.4.120.0120.00516.64
7.4.110.0150.00816.61
7.4.100.0100.01016.68
7.4.90.0030.01316.29
7.4.80.0050.01319.39
7.4.70.0080.01516.65
7.4.60.0130.00316.38
7.4.50.0030.00616.56
7.4.40.0060.01516.61
7.4.30.0060.01616.54
7.4.10.0130.00714.83
7.4.00.0070.00314.98
7.3.330.0000.00613.18
7.3.320.0000.00513.00
7.3.310.0030.00316.11
7.3.300.0070.00016.24
7.3.290.0060.01216.20
7.3.280.0070.00916.24
7.3.270.0110.00517.40
7.3.260.0090.00816.19
7.3.250.0100.01016.22
7.3.240.0090.00916.52
7.3.230.0080.01216.39
7.3.210.0170.00016.30
7.3.200.0100.01019.39
7.3.190.0070.01016.45
7.3.180.0100.01016.24
7.3.170.0130.00916.27
7.3.160.0100.01316.27
7.3.130.0100.01015.00
7.3.120.0070.01114.50
7.3.110.0040.01514.52
7.3.100.0070.01114.80
7.3.90.0060.01214.97
7.3.80.0000.01014.64
7.3.70.0030.01414.80
7.3.60.0030.01014.75
7.3.50.0040.01114.76
7.3.40.0000.01114.84
7.3.30.0030.01014.89
7.3.20.0000.01216.83
7.3.10.0060.00916.64
7.3.00.0030.00916.47
7.2.330.0130.00616.67
7.2.320.0060.01116.45
7.2.310.0080.00816.36
7.2.300.0130.00316.71
7.2.290.0000.01716.68
7.2.260.0100.00615.20
7.2.250.0030.01415.10
7.2.240.0120.00615.05
7.2.230.0100.01014.90
7.2.220.0090.00315.09
7.2.210.0030.00715.17
7.2.200.0000.01315.07
7.2.190.0040.01115.09
7.2.180.0100.00315.18
7.2.170.0080.00314.79
7.2.160.0070.00714.91
7.2.150.0070.00316.91
7.2.140.0110.00716.87
7.2.130.0030.00616.65
7.2.120.0070.00716.93
7.2.110.0060.00616.97
7.2.100.0030.01316.84
7.2.90.0110.00716.96
7.2.80.0100.00416.81
7.2.70.0060.01216.86
7.2.60.0100.01016.80
7.2.50.0060.00616.83
7.2.40.0030.00816.91
7.2.30.0070.01017.11
7.2.20.0090.00316.56
7.2.10.0090.00016.88
7.2.00.0060.00916.79
7.1.330.0070.00715.58
7.1.320.0000.01515.84
7.1.310.0000.01415.57
7.1.300.0000.01015.92
7.1.290.0070.00315.82
7.1.280.0100.00015.78
7.1.270.0110.00015.67
7.1.260.0030.00915.98
7.1.250.0070.00715.66
7.1.240.0140.00015.75
7.1.230.0090.00315.86
7.1.220.0060.00915.66
7.1.210.0040.01115.78
7.1.200.0020.01015.68
7.1.190.0060.00615.86
7.1.180.0080.00615.73
7.1.170.0000.01015.75
7.1.160.0040.00815.96
7.1.150.0120.00615.51
7.1.140.0000.01215.64
7.1.130.0070.00315.91
7.1.120.0030.00715.70
7.1.110.0060.01015.58
7.1.100.0110.00415.71
7.1.90.0070.00715.89
7.1.80.0130.00015.89
7.1.70.0050.00516.56
7.1.60.0070.01017.58
7.1.50.0070.00716.20
7.1.40.0060.00915.75
7.1.30.0060.00615.78
7.1.20.0000.01515.77
7.1.10.0120.00315.87
7.1.00.0050.04319.00
7.0.330.0000.01315.13
7.0.320.0060.01315.14
7.0.310.0070.00615.39
7.0.300.0070.00715.42
7.0.290.0110.00415.33
7.0.280.0000.00815.61
7.0.270.0030.01015.51
7.0.260.0030.01015.35
7.0.250.0030.00615.50
7.0.240.0040.00815.22
7.0.230.0040.00415.35
7.0.220.0070.00315.17
7.0.210.0030.00915.65
7.0.200.0030.00616.10
7.0.190.0130.00315.64
7.0.180.0110.00415.12
7.0.170.0090.00615.44
7.0.160.0070.00315.31
7.0.150.0030.01315.53
7.0.140.0040.02018.67
7.0.130.0000.01115.18
7.0.120.0030.01015.42
7.0.110.0100.00715.11
7.0.100.0080.05217.69
7.0.90.0020.02917.59
7.0.80.0170.03717.71
7.0.70.0010.02617.73
7.0.60.0100.04117.69
7.0.50.0110.04417.93
7.0.40.0050.03416.77
7.0.30.0100.04016.79
7.0.20.0050.03016.88
7.0.10.0060.04316.65
7.0.00.0050.04016.69
5.6.400.0060.00914.02
5.6.390.0040.01114.10
5.6.380.0000.01614.25
5.6.370.0100.00614.54
5.6.360.0070.00714.54
5.6.350.0060.00314.37
5.6.340.0000.01114.40
5.6.330.0060.00614.18
5.6.320.0070.00414.24
5.6.310.0090.00614.42
5.6.300.0100.00714.32
5.6.290.0000.01113.96
5.6.280.0020.04117.79
5.6.270.0040.01114.23
5.6.260.0040.00714.11
5.6.250.0110.03617.38
5.6.240.0100.04217.52
5.6.230.0030.03117.44
5.6.220.0050.03017.50
5.6.210.0100.03817.37
5.6.200.0050.04817.63
5.6.190.0070.02617.76
5.6.180.0120.03217.79
5.6.170.0100.04317.65
5.6.160.0100.03617.82
5.6.150.0030.02017.70
5.6.140.0100.03717.60
5.6.130.0030.04717.71
5.6.120.0070.04317.72
5.6.110.0100.03717.52
5.6.100.0030.04417.64
5.6.90.0070.03617.57
5.6.80.0070.04117.34
5.6.70.0090.04017.24
5.6.60.0090.04017.12
5.6.50.0070.04417.35
5.6.40.0050.03517.42
5.6.30.0050.03517.14
5.6.20.0030.03317.15
5.6.10.0050.04117.26
5.6.00.0070.02817.21
5.5.380.0050.04817.30
5.5.370.0070.04317.30
5.5.360.0050.03717.17
5.5.350.0060.04317.17
5.5.340.0030.04917.55
5.5.330.0030.04717.71
5.5.320.0080.02917.43
5.5.310.0070.03817.47
5.5.300.0080.04517.49
5.5.290.0050.04917.40
5.5.280.0050.04017.50
5.5.270.0050.04717.60
5.5.260.0100.04517.37
5.5.250.0120.04017.49
5.5.240.0070.04117.09
5.5.230.0080.04317.13
5.5.220.0030.02717.23
5.5.210.0100.04017.20
5.5.200.0070.04517.17
5.5.190.0070.04117.10
5.5.180.0100.02617.00
5.5.170.0060.00614.11
5.5.160.0030.04117.21
5.5.150.0030.04617.20
5.5.140.0030.04717.15
5.5.130.0110.03117.13
5.5.120.0080.04317.07
5.5.110.0100.04017.28
5.5.100.0090.03517.08
5.5.90.0070.03817.10
5.5.80.0040.04117.07
5.5.70.0050.04117.09
5.5.60.0050.04117.07
5.5.50.0080.04017.16
5.5.40.0130.02417.10
5.5.30.0100.03717.18
5.5.20.0100.04517.01
5.5.10.0050.03617.14
5.5.00.0040.02916.83
5.4.450.0080.03815.37
5.4.440.0050.03315.40
5.4.430.0030.04815.40
5.4.420.0090.03715.39
5.4.410.0100.03515.33
5.4.400.0050.02815.13
5.4.390.0060.02415.23
5.4.380.0000.03115.18
5.4.370.0030.04315.14
5.4.360.0080.02515.08
5.4.350.0120.02815.20
5.4.340.0080.03815.22
5.4.330.0030.00711.34
5.4.320.0020.05115.15
5.4.310.0070.04215.18
5.4.300.0070.03015.18
5.4.290.0070.03715.08
5.4.280.0000.04215.11
5.4.270.0030.02515.20
5.4.260.0030.04315.12
5.4.250.0030.04315.28
5.4.240.0000.03215.07
5.4.230.0030.03715.16
5.4.220.0110.02015.21
5.4.210.0080.03815.16
5.4.200.0050.04015.16
5.4.190.0060.04215.12
5.4.180.0060.04215.12
5.4.170.0050.04215.20
5.4.160.0020.04015.20
5.4.150.0020.04115.20
5.4.140.0030.04313.81
5.4.130.0060.03713.80
5.4.120.0030.04513.81
5.4.110.0050.02813.79
5.4.100.0100.03313.89
5.4.90.0020.04213.89
5.4.80.0090.02113.89
5.4.70.0050.03813.79
5.4.60.0080.03913.86
5.4.50.0070.03213.84
5.4.40.0130.03313.86
5.4.30.0030.03813.76
5.4.20.0020.03813.87
5.4.10.0050.03213.81
5.4.00.0050.02313.45
5.3.290.0030.08014.53
5.3.280.0030.07014.50
5.3.270.0170.03314.44
5.3.260.0100.06714.46
5.3.250.0100.06714.44
5.3.240.0070.07714.52
5.3.230.0130.04014.59
5.3.220.0070.07314.43
5.3.210.0000.08314.52
5.3.200.0030.03714.52
5.3.190.0070.07314.48
5.3.180.0030.07014.41
5.3.170.0100.05314.42
5.3.160.0070.07014.43
5.3.150.0070.07714.42
5.3.140.0130.06314.55
5.3.130.0130.07014.41
5.3.120.0130.07714.51
5.3.110.0070.06714.55
5.3.100.0030.07713.86
5.3.90.0100.06013.98
5.3.80.0070.07714.00
5.3.70.0030.08014.02
5.3.60.0070.06714.01
5.3.50.0030.06313.88
5.3.40.0000.07313.90
5.3.30.0100.04713.78
5.3.20.0100.06713.54
5.3.10.0030.05713.56
5.3.00.0070.07013.49
5.2.170.0030.03711.64
5.2.160.0000.06311.64
5.2.150.0070.03011.64
5.2.140.0030.06311.64
5.2.130.0070.05011.64
5.2.120.0030.03011.64
5.2.110.0030.06711.64
5.2.100.0030.06011.64
5.2.90.0100.04311.64
5.2.80.0000.06711.64
5.2.70.0070.06011.64
5.2.60.0100.03711.64
5.2.50.0070.03311.64
5.2.40.0030.06011.64
5.2.30.0100.05011.64
5.2.20.0000.05311.64
5.2.10.0030.05311.64
5.2.00.0070.05011.64
5.1.60.0000.03311.64
5.1.50.0070.05011.64
5.1.40.0070.03711.64
5.1.30.0070.05311.64
5.1.20.0130.02711.64
5.1.10.0100.04011.64
5.1.00.0030.05711.64
5.0.50.0030.04711.64
5.0.40.0000.04011.64
5.0.30.0070.05311.64
5.0.20.0030.03311.64
5.0.10.0000.02711.64
5.0.00.0070.04011.64
4.4.90.0030.03311.64
4.4.80.0200.01311.64
4.4.70.0000.03711.64
4.4.60.0030.03011.64
4.4.50.0030.03011.64
4.4.40.0030.05011.64
4.4.30.0030.03011.64
4.4.20.0000.03311.64
4.4.10.0070.02711.64
4.4.00.0030.05711.64
4.3.110.0070.02711.64
4.3.100.0000.02011.64
4.3.90.0030.02011.64
4.3.80.0030.03311.64
4.3.70.0070.02711.64
4.3.60.0030.03311.64
4.3.50.0070.03011.64
4.3.40.0030.03711.64
4.3.30.0030.03711.64
4.3.20.0000.03711.64
4.3.10.0000.03311.64
4.3.00.0030.02011.64

preferences:
65.93 ms | 400 KiB | 5 Q