3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strtolower('aSDOFERE')); var_dump(strtolower('aSDOFERE'));

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)
8.3.60.0140.00716.25
8.3.50.0100.01116.45
8.3.40.0080.00818.50
8.3.30.0000.01418.51
8.3.20.0040.00418.38
8.3.10.0040.00420.41
8.3.00.0060.00617.25
8.2.180.0100.01016.32
8.2.170.0100.01022.96
8.2.160.0100.00321.13
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00019.70
8.2.110.0030.00720.97
8.2.100.0060.00617.78
8.2.90.0030.00618.03
8.2.80.0020.00517.97
8.2.70.0000.00817.38
8.2.60.0040.00417.65
8.2.50.0050.00518.07
8.2.40.0030.00618.22
8.2.30.0000.00717.98
8.2.20.0040.00417.43
8.2.10.0040.00417.45
8.2.00.0080.00017.58
8.1.280.0100.01025.92
8.1.270.0050.00324.66
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0060.00322.34
8.1.230.0070.00421.04
8.1.220.0040.00417.74
8.1.210.0050.00320.42
8.1.200.0040.00417.00
8.1.190.0090.00017.05
8.1.180.0040.00418.10
8.1.170.0000.00818.70
8.1.160.0040.00418.68
8.1.150.0040.00418.48
8.1.140.0100.00017.41
8.1.130.0030.00317.85
8.1.120.0030.00517.41
8.1.110.0040.00417.36
8.1.100.0000.00717.43
8.1.90.0030.00417.24
8.1.80.0020.00517.36
8.1.70.0030.00517.39
8.1.60.0040.00417.52
8.1.50.0000.00717.38
8.1.40.0060.00317.40
8.1.30.0040.00417.54
8.1.20.0030.00917.60
8.1.10.0000.00717.41
8.1.00.0000.00917.36
8.0.300.0040.00419.91
8.0.290.0040.00416.58
8.0.280.0030.00318.35
8.0.270.0000.00817.13
8.0.260.0030.00316.66
8.0.250.0000.00716.79
8.0.240.0040.00416.91
8.0.230.0070.00016.88
8.0.220.0030.00316.86
8.0.210.0030.00316.87
8.0.200.0040.00416.79
8.0.190.0050.00516.86
8.0.180.0000.00716.71
8.0.170.0000.00816.72
8.0.160.0000.00716.83
8.0.150.0000.00716.66
8.0.140.0000.01016.67
8.0.130.0030.00313.33
8.0.120.0070.00016.84
8.0.110.0060.00316.84
8.0.100.0080.00016.63
8.0.90.0070.00016.71
8.0.80.0070.00716.76
8.0.70.0040.00416.76
8.0.60.0040.00416.69
8.0.50.0040.00416.76
8.0.30.0110.01117.03
8.0.20.0120.00816.85
8.0.10.0030.00516.93
8.0.00.0100.00716.65
7.4.330.0050.00012.92
7.4.320.0040.00416.42
7.4.300.0030.00316.46
7.4.290.0030.00316.50
7.4.280.0050.00216.46
7.4.270.0000.00716.43
7.4.260.0050.00013.15
7.4.250.0060.00316.55
7.4.240.0040.00416.35
7.4.230.0070.00016.54
7.4.220.0070.01416.53
7.4.210.0080.00916.52
7.4.200.0030.00316.53
7.4.190.0030.00516.65
7.4.160.0160.00716.33
7.4.150.0090.01516.41
7.4.140.0110.00916.43
7.4.130.0090.00716.41
7.4.120.0120.00516.30
7.4.110.0110.00616.55
7.4.100.0090.01316.33
7.4.90.0060.01216.57
7.4.80.0110.00716.43
7.4.70.0120.00616.27
7.4.60.0120.00716.53
7.4.50.0030.00316.34
7.4.40.0070.00716.31
7.4.30.0070.01016.44
7.4.00.0040.01114.73
7.3.330.0030.00313.04
7.3.320.0060.00013.03
7.3.310.0020.00516.28
7.3.300.0000.00716.17
7.3.290.0110.00916.07
7.3.280.0060.01316.13
7.3.270.0110.00816.18
7.3.260.0090.00916.29
7.3.250.0100.01016.36
7.3.240.0090.01216.20
7.3.230.0140.00416.38
7.3.210.0100.00716.52
7.3.200.0070.01019.39
7.3.190.0130.00916.08
7.3.180.0060.00916.10
7.3.170.0100.00716.09
7.3.160.0130.00616.14
7.3.120.0090.00914.93
7.3.110.0040.01514.59
7.3.100.0000.01114.85
7.3.90.0030.01314.59
7.3.80.0070.00715.00
7.3.70.0090.00614.68
7.3.60.0030.01014.55
7.3.50.0100.00314.70
7.3.40.0030.00814.61
7.3.30.0060.00914.73
7.3.20.0040.01116.50
7.3.10.0100.00316.68
7.3.00.0070.00716.59
7.2.330.0100.00716.52
7.2.320.0120.01216.22
7.2.310.0110.01116.48
7.2.300.0070.01016.64
7.2.290.0120.00916.43
7.2.240.0090.00914.88
7.2.230.0000.01614.86
7.2.220.0060.01214.61
7.2.210.0030.01114.63
7.2.200.0040.01114.75
7.2.190.0090.00314.94
7.2.180.0000.01614.88
7.2.170.0110.00414.92
7.2.160.0120.00314.61
7.2.150.0060.00916.41
7.2.140.0000.01216.82
7.2.130.0060.00916.41
7.2.120.0090.00616.84
7.2.110.0040.00716.63
7.2.100.0090.00916.85
7.2.90.0000.01116.89
7.2.80.0040.01116.68
7.2.70.0030.01316.73
7.2.60.0030.00616.89
7.2.50.0060.01016.95
7.2.40.0030.00916.80
7.2.30.0070.00717.04
7.2.20.0000.01516.61
7.2.10.0000.01416.64
7.2.00.0070.00718.04
7.1.330.0070.01115.76
7.1.320.0030.01015.55
7.1.310.0030.01015.88
7.1.300.0040.01115.49
7.1.290.0060.01015.65
7.1.280.0060.00615.51
7.1.270.0060.00915.63
7.1.260.0050.00515.57
7.1.250.0070.00715.75
7.1.200.0000.01015.49
7.1.70.0000.00817.05
7.1.60.0070.01719.40
7.1.50.0000.02016.97
7.1.00.0030.08722.51
7.0.200.0000.00716.64
7.0.140.0030.07722.00
7.0.120.0000.06722.09
7.0.60.0170.04719.92
7.0.50.0130.07717.80
7.0.40.0170.07720.04
7.0.30.0300.07720.30
7.0.20.0170.09020.09
7.0.10.0130.08320.18
7.0.00.0100.08320.33
5.6.280.0100.06721.06
5.6.210.0070.08020.54
5.6.200.0130.07718.19
5.6.190.0170.08020.39
5.6.180.0470.07320.61
5.6.170.0230.09320.38
5.6.160.0100.07020.41
5.6.150.0100.04318.20
5.6.140.0100.05018.21
5.6.130.0030.08318.11
5.6.120.0100.06021.13
5.6.110.0100.08020.88
5.6.100.0200.05720.98
5.6.90.0000.06320.96
5.6.80.0030.07020.48
5.5.350.0230.07320.32
5.5.340.0070.06317.89
5.5.330.0030.06020.13
5.5.320.0430.07020.24
5.5.310.0270.05320.30
5.5.300.0070.08317.92
5.5.290.0130.07318.00
5.5.280.0070.04320.76
5.5.270.0100.03320.74
5.5.260.0170.07320.86
5.5.250.0070.03720.58
5.5.240.0100.06020.11
5.4.450.0530.07319.39
5.4.440.0700.04719.21
5.4.430.0300.03719.09
5.4.420.0630.03319.38
5.4.410.0600.04319.25
5.4.400.0770.04019.22
5.4.390.0770.03018.88
5.4.380.0830.02718.93
5.4.370.0870.04319.21
5.4.360.0970.03718.77
5.4.350.0270.04318.93
5.4.340.0800.03018.95
5.4.320.0570.03719.15
5.4.310.0770.03319.06
5.4.300.0730.04018.89
5.4.290.0870.03719.13
5.4.280.0630.03719.04
5.4.270.0770.04719.13
5.4.260.0870.04318.86
5.4.250.0430.05019.05
5.4.240.0500.03718.76
5.4.230.0570.04719.09
5.4.220.0600.03319.16
5.4.210.0670.05018.78
5.4.200.0470.03719.05
5.4.190.0400.04319.09
5.4.180.0900.03719.20
5.4.170.0600.03318.75
5.4.160.0400.04019.19
5.4.150.0600.04719.03
5.4.140.0630.04316.25
5.4.130.0870.02716.21
5.4.120.0630.02716.16
5.4.110.0770.03016.41
5.4.100.0730.03716.40
5.4.90.0870.03316.20
5.4.80.0070.04016.35
5.4.70.0200.04016.43
5.4.60.0570.03716.36
5.4.50.0470.04016.34
5.4.40.0770.03716.40
5.4.30.0430.03316.38
5.4.20.0970.02716.44
5.4.10.0230.03316.44
5.4.00.0630.04016.01
5.3.290.0870.03316.02
5.3.280.0630.04016.02
5.3.270.0770.03316.02
5.3.260.0230.04016.02
5.3.250.0000.04716.02
5.3.240.0270.03716.02
5.3.230.0430.04316.02
5.3.220.0730.04716.02
5.3.210.0400.03716.02
5.3.200.0770.02316.02
5.3.190.0600.03716.02
5.3.180.0830.03716.02
5.3.170.0970.03016.02
5.3.160.0200.04016.01
5.3.150.0830.03716.01
5.3.140.0570.04016.01
5.3.130.0800.05016.01
5.3.120.0470.04016.01
5.3.110.0570.04716.01
5.3.100.0370.04016.01
5.3.90.0630.04016.01
5.3.80.0770.04016.01
5.3.70.0430.03016.01
5.3.60.0230.04016.01
5.3.50.0670.04016.01
5.3.40.0330.03016.01
5.3.30.0270.04316.01
5.3.20.0470.04016.01
5.3.10.0630.03016.01
5.3.00.0170.03716.01
5.2.170.0430.02716.01
5.2.160.0430.02716.01
5.2.150.0700.02716.01
5.2.140.0670.02716.01
5.2.130.0570.02716.01
5.2.120.0170.03016.01
5.2.110.0670.05316.01
5.2.100.0370.02716.01
5.2.90.0770.02316.01
5.2.80.0730.03016.01
5.2.70.0370.03716.01
5.2.60.0670.02716.01
5.2.50.0400.02716.01
5.2.40.0300.03316.01
5.2.30.0400.03316.01
5.2.20.0270.02316.01
5.2.10.0330.02716.01
5.2.00.0230.02716.01
5.1.60.0270.02016.01
5.1.50.0530.02016.01
5.1.40.0400.02316.01
5.1.30.0570.02716.01
5.1.20.0530.02716.01
5.1.10.0500.03316.01
5.1.00.0330.03016.01
5.0.50.0100.01716.01
5.0.40.0030.02716.01
5.0.30.0200.03316.01
5.0.20.0100.01716.01
5.0.10.0130.01316.01
5.0.00.0100.03316.01
4.4.90.0170.02016.01
4.4.80.0300.00716.01
4.4.70.0170.01316.01
4.4.60.0070.01716.01
4.4.50.0030.02316.01
4.4.40.0200.02716.01
4.4.30.0200.01016.01
4.4.20.0170.01716.01
4.4.10.0170.02016.01
4.4.00.0100.01716.01
4.3.110.0270.01716.01
4.3.100.0170.02016.01
4.3.90.0300.01316.01
4.3.80.0200.02316.01
4.3.70.0230.01016.01
4.3.60.0270.01016.01
4.3.50.0270.01716.01
4.3.40.0230.02316.01
4.3.30.0100.01716.01
4.3.20.0030.01716.01
4.3.10.0200.02016.01
4.3.00.0030.01716.01

preferences:
36.25 ms | 401 KiB | 5 Q