3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = 'lorem lis pum'; for( $i = 0, $ilen = strlen( $input ), $result = array(); $i < $ilen; $i++ ) { $chr = $input[ $i ]; if( $chr === ' ' ) { $chr = '_'; } $result[ $chr ] = isset( $result[ $chr ] ) ? $result[ $chr ] + 1 : 1; } var_dump( $result );

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)
8.4.130.0140.00717.45
8.4.120.0090.00320.38
8.4.110.0130.00822.33
8.4.100.0100.01117.80
8.4.90.0120.00818.54
8.4.80.0090.00717.91
8.4.70.0050.00319.51
8.4.60.0100.01020.52
8.4.50.0110.00917.76
8.4.40.0070.01419.70
8.4.30.0100.01019.36
8.4.20.0100.01017.69
8.4.10.0030.00717.32
8.3.260.0130.00716.56
8.3.250.0120.00718.78
8.3.240.0140.00516.65
8.3.230.0100.00916.48
8.3.220.0060.00417.29
8.3.210.0090.00816.57
8.3.200.0050.00416.71
8.3.190.0090.01017.05
8.3.180.0090.01016.28
8.3.170.0150.00318.59
8.3.160.0070.01016.61
8.3.150.0070.00720.61
8.3.140.0080.00016.34
8.3.130.0040.00418.48
8.3.120.0060.00320.63
8.3.110.0030.00620.94
8.3.100.0060.00324.06
8.3.90.0060.00326.77
8.3.80.0060.00318.55
8.3.70.0100.00718.43
8.3.60.0040.01218.05
8.3.50.0120.00518.12
8.3.40.0060.00918.77
8.3.30.0120.00618.71
8.3.20.0000.00819.34
8.3.10.0070.00021.85
8.3.00.0050.00319.79
8.2.290.0120.00920.51
8.2.280.0100.00622.04
8.2.270.0120.00317.13
8.2.260.0080.00018.79
8.2.250.0000.00816.90
8.2.240.0040.00417.37
8.2.230.0070.00322.58
8.2.220.0060.00337.54
8.2.210.0160.00326.77
8.2.200.0090.00016.63
8.2.190.0120.00316.75
8.2.180.0060.00916.38
8.2.170.0040.01122.96
8.2.160.0140.00019.16
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00018.77
8.2.110.0060.00321.11
8.2.100.0080.00317.91
8.2.90.0030.00618.16
8.2.80.0000.00918.04
8.2.70.0050.00317.91
8.2.60.0060.00317.93
8.2.50.0050.00318.10
8.2.40.0060.00320.46
8.2.30.0040.00419.30
8.2.20.0050.00218.01
8.2.10.0030.00618.08
8.2.00.0040.00418.22
8.1.330.0110.00721.58
8.1.320.0100.01016.19
8.1.310.0040.00416.87
8.1.300.0040.01116.09
8.1.290.0100.00030.84
8.1.280.0160.00725.92
8.1.270.0110.00721.97
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0070.00319.19
8.1.230.0040.00820.93
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0000.00817.35
8.1.180.0030.00518.10
8.1.170.0030.00618.40
8.1.160.0040.00418.82
8.1.150.0000.00719.99
8.1.140.0040.00419.56
8.1.130.0000.00717.30
8.1.120.0040.00417.43
8.1.110.0000.00817.41
8.1.100.0040.00417.34
8.1.90.0000.00817.40
8.1.80.0080.00017.41
8.1.70.0070.00017.29
8.1.60.0000.00817.40
8.1.50.0050.00317.35
8.1.40.0060.00317.38
8.1.30.0030.00517.56
8.1.20.0050.00317.57
8.1.10.0030.00617.61
8.1.00.0040.00417.57
8.0.300.0040.00420.02
8.0.290.0080.00316.58
8.0.280.0070.00018.27
8.0.270.0070.00017.11
8.0.260.0030.00316.71
8.0.250.0000.00816.91
8.0.240.0000.00816.76
8.0.230.0040.00416.93
8.0.220.0000.00716.88
8.0.210.0000.00716.72
8.0.200.0000.00616.92
8.0.190.0000.00816.89
8.0.180.0040.00416.85
8.0.170.0070.00016.85
8.0.160.0070.00016.86
8.0.150.0060.00316.79
8.0.140.0040.00416.67
8.0.130.0000.00613.32
8.0.120.0060.00316.84
8.0.110.0040.00416.70
8.0.100.0030.00516.68
8.0.90.0000.00716.66
8.0.80.0090.00616.81
8.0.70.0000.00816.80
8.0.60.0070.00016.78
8.0.50.0040.00416.94
8.0.30.0090.00816.90
8.0.20.0110.00817.40
8.0.10.0040.00416.76
8.0.00.0120.00716.82
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0000.00616.44
7.4.290.0030.00316.40
7.4.280.0040.00416.50
7.4.270.0030.00416.52
7.4.260.0050.00316.49
7.4.250.0000.00816.43
7.4.240.0030.00316.50
7.4.230.0030.00316.50
7.4.220.0120.01216.68
7.4.210.0050.00816.45
7.4.200.0040.00416.47
7.4.160.0080.00816.53
7.4.150.0150.00917.40
7.4.140.0120.00617.86
7.4.130.0040.01316.50
7.4.120.0110.01316.48
7.4.110.0030.01616.37
7.4.100.0040.01216.50
7.4.90.0120.00916.37
7.4.80.0150.00617.86
7.4.70.0140.00916.30
7.4.60.0030.00716.38
7.4.50.0090.01016.14
7.4.40.0120.01016.28
7.4.30.0080.00816.42
7.4.20.0190.00716.49
7.4.10.0040.00616.49
7.4.00.0060.00815.76
7.3.330.0050.00013.23
7.3.320.0000.00613.14
7.3.310.0040.00416.18
7.3.300.0070.00016.29
7.3.290.0080.00516.36
7.3.280.0110.00616.34
7.3.270.0060.01217.40
7.3.260.0110.00816.33
7.3.250.0120.00616.43
7.3.240.0140.00816.54
7.3.230.0110.01416.48
7.3.210.0110.01216.32
7.3.200.0160.01516.35
7.3.190.0110.01616.46
7.3.180.0120.00716.33
7.3.170.0090.01516.32
7.3.160.0140.00916.41
7.3.150.0050.00616.65
7.3.140.0180.00816.64
7.3.130.0070.00916.43
7.3.120.0100.00615.66
7.3.110.0070.00315.59
7.3.100.0040.00615.67
7.3.90.0050.01315.69
7.3.80.0120.00815.79
7.3.70.0120.00415.37
7.3.60.0090.00915.33
7.3.50.0100.01015.34
7.3.40.0130.00515.40
7.3.30.0110.00515.42
7.3.20.0070.01017.07
7.3.10.0090.00817.12
7.3.00.0170.01016.55
7.2.330.0150.00916.66
7.2.320.0150.00916.57
7.2.310.0080.01316.58
7.2.300.0100.00716.36
7.2.290.0100.00816.49
7.2.280.0200.01016.71
7.2.270.0130.00816.80
7.2.260.0070.01916.52
7.2.250.0190.00616.76
7.2.240.0100.01015.94
7.2.230.0080.01415.99
7.2.220.0050.01615.85
7.2.210.0090.00915.72
7.2.200.0040.01415.47
7.2.190.0100.00915.57
7.2.180.0120.00815.69
7.2.170.0080.00915.46
7.2.160.0060.01215.59
7.2.150.0070.01117.48
7.2.140.0060.01417.60
7.2.130.0110.01016.77
7.2.120.0110.00917.43
7.2.110.0080.01017.37
7.2.100.0080.01017.38
7.2.90.0060.01117.49
7.2.80.0070.01117.45
7.2.70.0100.00816.76
7.2.60.0210.00716.79
7.2.50.0110.01116.89
7.2.40.0150.00717.41
7.2.30.0120.00616.86
7.2.20.0120.00916.76
7.2.10.0160.00716.81
7.2.00.0110.01216.75
7.1.330.0150.01016.57
7.1.320.0200.00516.52
7.1.310.0190.01016.67
7.1.300.0140.01016.42
7.1.290.0140.00916.23
7.1.280.0160.01016.18
7.1.270.0130.00916.16
7.1.260.0140.01216.31
7.1.250.0180.00815.72
7.1.240.0150.01516.62
7.1.230.0160.01316.55
7.1.220.0230.00816.50
7.1.210.0160.01216.67
7.1.200.0340.00815.77
7.1.190.0210.01315.58
7.1.180.0170.01515.64
7.1.170.0280.00715.59
7.1.160.0240.01115.66
7.1.150.0470.00815.74
7.1.140.0180.01415.62
7.1.130.0280.00415.64
7.1.120.0240.01115.71
7.1.110.0240.01115.71
7.1.100.0280.01215.67
7.1.90.0160.01715.56
7.1.80.0220.01515.56
7.1.70.0150.01416.16
7.1.60.0180.00616.10
7.1.50.0400.01421.39
7.1.40.0230.01121.28
7.1.30.0210.01121.40
7.1.20.0210.01521.32
7.1.10.0930.00815.88
7.1.00.0250.00715.37
7.0.330.0230.00716.14
7.0.320.0130.01516.14
7.0.310.0240.00415.30
7.0.300.0210.01015.27
7.0.290.0260.00615.29
7.0.280.0210.00915.27
7.0.270.0270.00715.36
7.0.260.0240.01115.32
7.0.250.0290.01015.34
7.0.240.0250.00815.26
7.0.230.0420.01315.33
7.0.220.0200.01415.41
7.0.210.0270.00815.17
7.0.200.0170.01015.72
7.0.190.0220.01015.20
7.0.180.0210.01014.96
7.0.170.0170.01614.96
7.0.160.0230.00814.99
7.0.150.0240.01114.99
7.0.140.0200.00815.65
7.0.130.0240.01015.70
7.0.120.0200.01415.63
7.0.110.0250.01015.06
7.0.100.0210.01015.07
7.0.90.0210.00815.61
7.0.80.0180.00715.62
7.0.70.0180.01215.59
7.0.60.0210.00915.44
7.0.50.0200.00715.51
7.0.40.0200.01015.06
7.0.30.0250.00615.74
7.0.20.0170.01015.59
7.0.10.0200.00915.12
7.0.00.0180.00815.65
5.6.400.0200.01015.21
5.6.390.0150.01615.15
5.6.380.0200.01015.32
5.6.370.0180.01315.15
5.6.360.0140.01915.11
5.6.350.0220.00915.42
5.6.340.0300.00615.20
5.6.330.0250.01215.17
5.6.320.0200.01215.28
5.6.310.0210.00715.40
5.6.300.0140.02816.99
5.6.290.0170.03316.99
5.6.280.0190.03117.07
5.6.270.0160.03716.97
5.6.260.0140.03117.00
5.6.250.0220.03017.17
5.6.240.0220.03017.02
5.6.230.0230.03117.09
5.6.220.0180.02917.11
5.6.210.0150.03817.12
5.6.200.0160.03717.04
5.6.190.0180.02917.01
5.6.180.0140.02917.14
5.6.170.0190.02816.94
5.6.160.0180.03317.00
5.6.150.0220.03117.08
5.6.140.0130.03617.06
5.6.130.0170.03017.09
5.6.120.0170.03417.02
5.6.110.0200.02317.06
5.6.100.0190.02617.01
5.6.90.0160.03016.90
5.6.80.0200.02716.75
5.6.70.0220.02616.82
5.6.60.0190.03216.79
5.6.50.0200.03016.85
5.6.40.0180.03116.88
5.6.30.0220.02516.72
5.6.20.0140.02916.78
5.6.10.0170.02416.70
5.6.00.0170.02416.80

preferences:
32.36 ms | 403 KiB | 5 Q