3v4l.org

run code in 300+ PHP versions simultaneously
<?php $♫ = "music"; var_dump($♫); $let = chr(32); $res = utf8_encode($let); echo $let;

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)
8.3.40.0140.00318.77
8.3.30.0070.00720.25
8.3.20.0080.00020.48
8.3.10.0080.00021.13
8.3.00.0050.00322.52
8.2.170.0040.01122.96
8.2.160.0100.00720.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.12
8.2.110.0030.00720.36
8.2.100.0090.00317.85
8.2.90.0000.00818.03
8.2.80.0050.00318.03
8.2.70.0030.00617.75
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0030.00517.91
8.2.30.0030.00519.30
8.2.20.0000.00817.75
8.2.10.0040.00417.86
8.2.00.0080.00017.79
8.1.270.0050.00323.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00922.14
8.1.230.0140.00022.70
8.1.220.0000.00817.79
8.1.210.0030.00718.95
8.1.200.0000.01117.23
8.1.190.0020.00517.41
8.1.180.0000.00818.10
8.1.170.0090.00018.58
8.1.160.0040.00418.86
8.1.150.0000.00818.44
8.1.140.0000.00717.29
8.1.130.0030.00517.76
8.1.120.0080.00017.42
8.1.110.0000.00717.27
8.1.100.0000.00717.29
8.1.90.0070.00017.25
8.1.80.0000.00717.28
8.1.70.0030.00317.25
8.1.60.0040.00417.52
8.1.50.0000.00817.33
8.1.40.0000.00717.33
8.1.30.0040.00417.54
8.1.20.0080.00017.51
8.1.10.0000.00817.46
8.1.00.0030.00517.40
8.0.300.0070.00020.16
8.0.290.0000.00817.05
8.0.280.0040.00318.43
8.0.270.0030.00317.35
8.0.260.0070.00016.80
8.0.250.0000.00716.93
8.0.240.0040.00416.96
8.0.230.0030.00316.94
8.0.220.0070.00016.83
8.0.210.0030.00316.69
8.0.200.0050.00216.74
8.0.190.0040.00416.90
8.0.180.0000.00716.85
8.0.170.0070.00016.73
8.0.160.0000.00716.83
8.0.150.0000.00716.65
8.0.140.0030.00616.73
8.0.130.0050.00013.25
8.0.120.0050.00316.77
8.0.110.0040.00416.71
8.0.100.0030.00316.64
8.0.90.0040.00416.72
8.0.80.0030.01316.70
8.0.70.0050.00316.64
8.0.60.0030.00516.86
8.0.50.0000.00716.82
8.0.30.0070.01217.09
8.0.20.0130.00517.40
8.0.10.0000.00716.76
8.0.00.0080.01216.67
7.4.330.0050.00016.70
7.4.320.0000.00716.47
7.4.300.0060.00016.50
7.4.290.0030.00316.42
7.4.280.0040.00416.43
7.4.270.0070.00016.44
7.4.260.0000.00513.14
7.4.250.0000.00716.29
7.4.240.0050.00216.49
7.4.230.0040.00416.28
7.4.220.0090.01216.37
7.4.210.0050.00916.49
7.4.200.0000.00716.32
7.4.190.0050.00216.58
7.4.160.0060.00916.49
7.4.150.0120.00917.40
7.4.140.0120.00617.86
7.4.130.0120.00516.56
7.4.120.0110.00616.47
7.4.110.0160.00016.42
7.4.100.0070.01016.57
7.4.90.0100.00816.57
7.4.80.0090.00919.39
7.4.70.0100.00616.41
7.4.60.0120.00816.31
7.4.50.0030.00616.43
7.4.40.0030.01522.77
7.4.30.0060.01016.29
7.4.00.0060.01014.85
7.3.330.0000.00513.06
7.3.320.0000.00513.05
7.3.310.0060.00016.12
7.3.300.0000.00616.08
7.3.290.0040.01216.27
7.3.280.0090.00816.19
7.3.270.0130.01017.40
7.3.260.0050.01318.24
7.3.250.0070.01116.48
7.3.240.0090.00916.18
7.3.230.0070.01016.39
7.3.210.0100.01016.61
7.3.200.0060.01619.39
7.3.190.0090.00816.46
7.3.180.0120.00916.29
7.3.170.0100.01216.28
7.3.160.0020.01416.13
7.3.120.0080.00614.77
7.3.110.0080.00714.61
7.3.100.0080.00914.70
7.3.90.0050.00814.79
7.3.80.0050.01114.69
7.3.70.0050.00614.71
7.3.60.0070.00714.75
7.3.50.0070.00814.83
7.3.40.0050.00814.49
7.3.30.0040.01014.53
7.3.20.0030.00816.62
7.3.10.0050.00916.52
7.3.00.0010.01116.47
7.2.330.0090.01216.62
7.2.320.0100.01316.34
7.2.310.0060.01216.68
7.2.300.0060.01016.52
7.2.290.0090.00616.65
7.2.250.0050.01214.76
7.2.240.0060.00915.04
7.2.230.0020.01315.06
7.2.220.0040.00915.06
7.2.210.0050.01014.86
7.2.200.0080.00714.99
7.2.190.0060.01014.95
7.2.180.0090.00614.89
7.2.170.0070.00714.87
7.2.160.0000.01515.02
7.2.150.0080.00716.86
7.2.140.0000.01216.89
7.2.130.0060.00816.69
7.2.120.0090.00816.81
7.2.110.0060.00916.74
7.2.100.0070.00716.74
7.2.90.0100.00716.99
7.2.80.0110.00516.68
7.2.70.0080.00916.66
7.2.60.0060.00816.77
7.2.50.0050.01016.65
7.2.40.0100.00616.83
7.2.30.0060.00616.92
7.2.20.0070.00816.63
7.2.10.0080.00916.84
7.2.00.0020.01716.87
7.1.330.0060.00915.73
7.1.320.0040.01015.63
7.1.310.0060.00515.87
7.1.300.0080.00715.63
7.1.290.0050.00615.76
7.1.280.0040.00915.66
7.1.270.0030.01015.81
7.1.260.0080.00715.73
7.1.250.0060.00815.66
7.1.240.0000.01515.67
7.1.230.0090.00315.86
7.1.220.0050.00515.72
7.1.210.0140.00015.87
7.1.200.0080.00315.55
7.1.190.0110.00615.78
7.1.180.0080.00415.69
7.1.170.0090.00915.65
7.1.160.0100.00715.92
7.1.150.0030.00915.63
7.1.140.0040.00815.61
7.1.130.0050.00515.46
7.1.120.0060.00615.63
7.1.110.0040.00815.76
7.1.100.0070.00715.91
7.1.90.0070.01015.83
7.1.80.0070.00715.72
7.1.70.0020.01116.45
7.1.60.0030.01617.35
7.1.50.0110.00716.35
7.1.40.0000.01115.62
7.1.30.0000.01315.72
7.1.20.0100.00715.96
7.1.10.0070.00415.69
7.1.00.0040.02119.15
7.0.330.0100.00615.33
7.0.320.0040.01115.36
7.0.310.0060.00615.51
7.0.300.0090.00915.36
7.0.290.0090.00315.34
7.0.280.0060.00315.28
7.0.270.0070.01015.14
7.0.260.0070.00315.34
7.0.250.0060.00315.45
7.0.240.0030.01315.41
7.0.230.0120.00315.41
7.0.220.0040.01415.46
7.0.210.0040.00815.43
7.0.200.0030.00716.05
7.0.190.0030.00515.35
7.0.180.0040.00715.31
7.0.170.0060.00915.54
7.0.160.0040.01115.51
7.0.150.0110.00415.25
7.0.140.0030.04118.64
7.0.130.0030.01015.46
7.0.120.0030.01015.35
7.0.110.0070.00415.41
7.0.100.0030.04517.59
7.0.90.0170.04017.73
7.0.80.0170.02517.79
7.0.70.0170.01717.66
7.0.60.0100.02517.69
7.0.50.0100.03117.83
7.0.40.0070.03016.91
7.0.30.0090.04216.61
7.0.20.0070.04316.68
7.0.10.0080.03916.71
7.0.00.0050.03016.70
5.6.400.0030.01014.39
5.6.390.0060.00914.30
5.6.380.0030.01413.90
5.6.370.0080.00314.40
5.6.360.0060.00914.31
5.6.350.0000.01214.23
5.6.340.0060.00814.10
5.6.330.0110.00414.55
5.6.320.0060.01014.20
5.6.310.0060.00314.15
5.6.300.0000.01614.09
5.6.290.0080.00814.22
5.6.280.0050.04017.64
5.6.270.0030.01014.41
5.6.260.0040.00714.36
5.6.250.0100.02317.45
5.6.240.0080.03717.46
5.6.230.0050.02717.39
5.6.220.0070.04117.35
5.6.210.0080.04317.49
5.6.200.0090.03817.60
5.6.190.0060.04417.50
5.6.180.0050.04117.66
5.6.170.0070.04517.56
5.6.160.0070.04717.55
5.6.150.0090.03217.53
5.6.140.0030.04717.51
5.6.130.0080.04217.61
5.6.120.0070.03217.65
5.6.110.0060.02517.77
5.6.100.0020.03317.56
5.6.90.0120.02017.60
5.6.80.0100.04217.48
5.6.70.0080.02117.38
5.6.60.0100.03017.32
5.6.50.0050.02517.27
5.6.40.0090.03617.15
5.6.30.0080.03517.09
5.6.20.0110.04017.38
5.6.10.0110.02517.32
5.6.00.0070.04117.13
5.5.380.0030.04517.24
5.5.370.0060.04017.17
5.5.360.0100.04017.17
5.5.350.0070.03917.13
5.5.340.0070.03517.32
5.5.330.0070.03317.41
5.5.320.0010.02817.39
5.5.310.0030.04517.44
5.5.300.0030.04817.48
5.5.290.0060.04617.53
5.5.280.0050.04417.42
5.5.270.0100.03017.20
5.5.260.0150.03217.34
5.5.250.0050.02717.33
5.5.240.0100.03617.11
5.5.230.0080.02717.05
5.5.220.0090.03017.06
5.5.210.0050.04116.94
5.5.200.0080.03517.12
5.5.190.0120.03617.07
5.5.180.0060.02117.07
5.5.170.0040.01114.00
5.5.160.0110.03617.11
5.5.150.0080.02817.16
5.5.140.0090.03817.05
5.5.130.0050.02317.24
5.5.120.0140.03916.98
5.5.110.0050.02617.10
5.5.100.0050.04117.06
5.5.90.0080.04116.98
5.5.80.0070.04417.06
5.5.70.0070.04016.99
5.5.60.0070.04417.12
5.5.50.0050.02716.99
5.5.40.0080.02316.89
5.5.30.0050.04216.96
5.5.20.0150.03316.93
5.5.10.0070.02617.09
5.5.00.0080.04116.88
5.4.450.0130.03215.70
5.4.440.0100.03715.74
5.4.430.0050.04015.83
5.4.420.0030.02315.73
5.4.410.0080.03815.55
5.4.400.0070.02915.58
5.4.390.0070.03915.57
5.4.380.0050.04315.67
5.4.370.0020.02615.67
5.4.360.0030.04615.63
5.4.350.0000.04915.46
5.4.340.0050.03415.59
5.4.330.0060.00612.11
5.4.320.0070.04015.44
5.4.310.0020.03515.45
5.4.300.0080.02315.57
5.4.290.0020.04015.56
5.4.280.0080.02015.54
5.4.270.0070.02215.62
5.4.260.0060.02515.62
5.4.250.0080.03915.61
5.4.240.0070.02315.50
5.4.230.0090.03915.61
5.4.220.0070.02915.57
5.4.210.0100.04015.53
5.4.200.0070.03715.56
5.4.190.0030.03215.52
5.4.180.0030.02415.54
5.4.170.0120.02515.61
5.4.160.0030.03815.52
5.4.150.0070.03815.51
5.4.140.0070.03414.19
5.4.130.0070.04214.24
5.4.120.0080.03714.22
5.4.110.0020.02514.22
5.4.100.0080.02514.18
5.4.90.0060.03514.28
5.4.80.0080.02514.15
5.4.70.0040.03814.15
5.4.60.0060.03814.22
5.4.50.0080.02214.24
5.4.40.0070.03614.18
5.4.30.0060.03214.23
5.4.20.0100.03514.22
5.4.10.0100.03314.19
5.4.00.0030.03613.91
5.3.290.0050.03213.36
5.3.280.0070.02313.32
5.3.270.0100.03313.33
5.3.260.0020.03813.27
5.3.250.0030.04013.26
5.3.240.0030.04213.29
5.3.230.0110.03513.28
5.3.220.0020.03313.34
5.3.210.0050.03613.26
5.3.200.0040.03613.26
5.3.190.0030.02613.31
5.3.180.0050.03813.26
5.3.170.0030.03813.31
5.3.160.0040.02413.30
5.3.150.0020.02513.31
5.3.140.0030.03113.24
5.3.130.0030.03913.32
5.3.120.0080.02513.30
5.3.110.0030.02813.25
5.3.100.0030.04113.00
5.3.90.0030.02313.06
5.3.80.0020.03312.99
5.3.70.0100.03312.99
5.3.60.0020.02313.04
5.3.50.0060.02512.98
5.3.40.0080.03312.99
5.3.30.0070.03612.98
5.3.20.0050.02312.83
5.3.10.0030.02312.85
5.3.00.0070.03712.80
5.2.170.0070.03310.98
5.2.160.0100.06011.13
5.2.150.0100.05011.06
5.2.140.0100.05711.21
5.2.130.0070.02711.16
5.2.120.0100.02311.08
5.2.110.0030.05011.04
5.2.100.0000.07011.09
5.2.90.0070.04710.85
5.2.80.0070.05311.08
5.2.70.0070.06010.94
5.2.60.0070.06311.04
5.2.50.0100.05311.04
5.2.40.0070.02710.83
5.2.30.0070.03011.04
5.2.20.0030.05010.84
5.2.10.0000.05010.91
5.2.00.0030.03310.75
5.1.60.0100.04710.00
5.1.50.0000.04710.02
5.1.40.0100.02010.02
5.1.30.0000.04710.36
5.1.20.0030.03010.39
5.1.10.0000.05010.05
5.1.00.0000.05310.10
5.0.50.0030.0479.56
5.0.40.0130.0339.56
5.0.30.0100.0309.56
5.0.20.0030.0439.56
5.0.10.0070.0409.56
5.0.00.0170.0239.56
4.4.90.0070.0309.56
4.4.80.0030.0339.56
4.4.70.0000.0179.56
4.4.60.0030.0279.56
4.4.50.0030.0379.56
4.4.40.0000.0509.56
4.4.30.0070.0339.56
4.4.20.0030.0379.56
4.4.10.0030.0379.56
4.4.00.0000.0339.56
4.3.110.0030.0179.56
4.3.100.0030.0309.56
4.3.90.0070.0139.56
4.3.80.0070.0509.56
4.3.70.0000.0379.56
4.3.60.0000.0309.56
4.3.50.0030.0179.56
4.3.40.0030.0439.56
4.3.30.0030.0209.56
4.3.20.0030.0339.56
4.3.10.0000.0179.56
4.3.00.0000.0309.56

preferences:
40.86 ms | 400 KiB | 5 Q