3v4l.org

run code in 300+ PHP versions simultaneously
<?php $number = '9191919191'; $rest = substr($number, 0,4); $rest2 = substr($number, 4, -1); $f = $rest.'-'.$rest2; echo $f;

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)
8.3.60.0100.01318.30
8.3.50.0120.00321.90
8.3.40.0120.00318.85
8.3.30.0100.00719.10
8.3.20.0040.00420.33
8.3.10.0030.00522.10
8.3.00.0040.00422.45
8.2.180.0140.00016.50
8.2.170.0150.00322.96
8.2.160.0120.00321.20
8.2.150.0080.00024.18
8.2.140.0120.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00317.75
8.2.110.0090.00022.10
8.2.100.0090.00317.78
8.2.90.0000.00819.23
8.2.80.0000.00818.03
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0080.00018.22
8.2.30.0080.00017.94
8.2.20.0070.00017.56
8.2.10.0000.00819.53
8.2.00.0030.00617.72
8.1.280.0070.00725.92
8.1.270.0050.00322.27
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0030.00623.73
8.1.230.0040.00720.91
8.1.220.0040.00417.75
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.52
8.1.180.0060.00318.10
8.1.170.0000.00918.41
8.1.160.0080.00021.93
8.1.150.0000.00818.59
8.1.140.0050.00217.51
8.1.130.0030.00317.79
8.1.120.0090.00017.52
8.1.110.0040.00417.43
8.1.100.0050.00217.44
8.1.90.0000.00817.38
8.1.80.0080.00017.45
8.1.70.0070.00017.35
8.1.60.0050.00817.60
8.1.50.0000.00817.40
8.1.40.0030.00517.53
8.1.30.0040.00417.52
8.1.20.0040.00417.61
8.1.10.0030.00517.51
8.1.00.0080.00017.33
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0080.00018.35
8.0.270.0070.00017.26
8.0.260.0030.00316.80
8.0.250.0040.00417.04
8.0.240.0030.00516.86
8.0.230.0000.00716.99
8.0.220.0070.00016.94
8.0.210.0050.00216.85
8.0.200.0060.00016.94
8.0.190.0030.00316.95
8.0.180.0040.00416.86
8.0.170.0040.00416.79
8.0.160.0040.00416.86
8.0.150.0000.00816.79
8.0.140.0030.00516.77
8.0.130.0000.00613.36
8.0.120.0050.00316.88
8.0.110.0000.00816.87
8.0.100.0000.00716.83
8.0.90.0000.00816.85
8.0.80.0070.00916.86
8.0.70.0000.00716.90
8.0.60.0000.00716.78
8.0.50.0000.00816.76
8.0.30.0120.00716.85
8.0.20.0060.01417.40
8.0.10.0070.00016.82
8.0.00.0140.00516.78
7.4.330.0050.00015.01
7.4.320.0000.00716.61
7.4.300.0060.00316.51
7.4.290.0030.00316.51
7.4.280.0030.00316.59
7.4.270.0030.00316.52
7.4.260.0070.00316.63
7.4.250.0040.00416.51
7.4.240.0050.00316.52
7.4.230.0000.00716.61
7.4.220.0070.01116.41
7.4.210.0090.00716.48
7.4.200.0030.00316.61
7.4.190.0040.00416.43
7.4.160.0000.01516.56
7.4.150.0070.01817.40
7.4.140.0080.01017.86
7.4.130.0050.01316.42
7.4.120.0070.00916.48
7.4.110.0070.01016.43
7.4.100.0030.01916.47
7.4.90.0100.00716.31
7.4.80.0110.00719.39
7.4.70.0060.01316.29
7.4.60.0080.00816.30
7.4.50.0030.00516.27
7.4.40.0040.01522.77
7.4.30.0130.00316.38
7.4.10.0130.00615.03
7.4.00.0050.00914.93
7.3.330.0030.00313.13
7.3.320.0050.00013.14
7.3.310.0000.00716.29
7.3.300.0030.00316.16
7.3.290.0090.01216.15
7.3.280.0080.00816.22
7.3.270.0100.00717.40
7.3.260.0060.00916.38
7.3.250.0110.00916.40
7.3.240.0100.00716.55
7.3.230.0030.01716.39
7.3.210.0070.01016.39
7.3.200.0160.00619.39
7.3.190.0100.01316.18
7.3.180.0060.01616.38
7.3.170.0030.01716.27
7.3.160.0070.01016.54
7.3.130.0060.01114.93
7.3.120.0080.00814.92
7.3.110.0070.01014.77
7.3.100.0100.00514.78
7.3.90.0050.00814.86
7.3.80.0070.00714.88
7.3.70.0050.00914.58
7.3.60.0060.01314.77
7.3.50.0110.00814.81
7.3.40.0060.00614.77
7.3.30.0050.01114.72
7.3.20.0020.01116.58
7.3.10.0040.00816.60
7.3.00.0060.00916.50
7.2.330.0060.01116.50
7.2.320.0190.01016.27
7.2.310.0060.01016.50
7.2.300.0190.00516.32
7.2.290.0090.01216.38
7.2.260.0070.01015.14
7.2.250.0050.01114.81
7.2.240.0100.01014.92
7.2.230.0090.00414.85
7.2.220.0050.00615.06
7.2.210.0040.01114.85
7.2.200.0050.00915.07
7.2.190.0050.00915.09
7.2.180.0100.00715.08
7.2.170.0060.00915.04
7.2.160.0070.00314.66
7.2.150.0090.00316.77
7.2.140.0030.00717.04
7.2.130.0060.00916.87
7.2.120.0070.00616.81
7.2.110.0050.01016.88
7.2.100.0040.00916.90
7.2.90.0080.00716.84
7.2.80.0100.00416.93
7.2.70.0050.00816.90
7.2.60.0080.00616.83
7.2.50.0070.00717.00
7.2.40.0070.00616.89
7.2.30.0070.00716.95
7.2.20.0050.00916.80
7.2.10.0090.00516.78
7.2.00.0070.00617.52
7.1.330.0050.00915.64
7.1.320.0070.00715.80
7.1.310.0100.00515.81
7.1.300.0040.01415.89
7.1.290.0090.00415.72
7.1.280.0060.00715.85
7.1.270.0020.01315.91
7.1.260.0050.01015.75
7.1.250.0060.00815.77
7.1.240.0100.00215.87
7.1.230.0050.00715.92
7.1.220.0050.00615.75
7.1.210.0050.00915.77
7.1.200.0060.00515.59
7.1.190.0070.00615.70
7.1.180.0060.00415.79
7.1.170.0080.00615.87
7.1.160.0060.00615.68
7.1.150.0090.00315.91
7.1.140.0050.00815.85
7.1.130.0030.01115.75
7.1.120.0060.00415.89
7.1.110.0040.00415.96
7.1.100.0060.00716.66
7.1.90.0060.00615.80
7.1.80.0080.00515.78
7.1.70.0040.00616.25
7.1.60.0060.00917.07
7.1.50.0040.00916.14
7.1.40.0050.00815.71
7.1.30.0070.00715.62
7.1.20.0020.00915.65
7.1.10.0000.01015.68
7.1.00.0050.03017.98
7.0.330.0070.00715.41
7.0.320.0070.00515.27
7.0.310.0030.00715.34
7.0.300.0060.00815.33
7.0.290.0080.00315.19
7.0.280.0060.00715.06
7.0.270.0070.00415.24
7.0.260.0040.01115.26
7.0.250.0050.00715.43
7.0.240.0020.01115.38
7.0.230.0050.00715.30
7.0.220.0070.00215.09
7.0.210.0090.00715.26
7.0.200.0080.00415.61
7.0.190.0020.00615.23
7.0.180.0060.00515.28
7.0.170.0060.00715.42
7.0.160.0110.00415.21
7.0.150.0060.00615.28
7.0.140.0060.02817.54
7.0.130.0030.00915.40
7.0.120.0090.00615.33
7.0.110.0090.00615.44
7.0.100.0020.00715.46
7.0.90.0080.00315.37
7.0.80.0060.00815.46
7.0.70.0050.00715.18
7.0.60.0060.03216.94
7.0.50.0010.03616.30
7.0.40.0040.02115.57
7.0.30.0190.02615.57
7.0.20.0120.02615.67
7.0.10.0100.02615.67
7.0.00.0050.02415.68
5.6.400.0060.00614.05
5.6.390.0030.00714.51
5.6.380.0050.00914.42
5.6.370.0070.00814.26
5.6.360.0070.00914.38
5.6.350.0060.01014.21
5.6.340.0100.00514.32
5.6.330.0080.00814.30
5.6.320.0070.00514.37
5.6.310.0050.01014.11
5.6.300.0010.01014.35
5.6.290.0030.00914.29
5.6.280.0070.03016.61
5.6.270.0110.00414.16
5.6.260.0130.00514.38
5.6.250.0030.00914.36
5.6.240.0050.00914.12
5.6.230.0020.01214.42
5.6.220.0040.00714.39
5.6.210.0150.02316.25
5.6.200.0100.02215.59
5.6.190.0100.01416.26
5.6.180.1130.02016.37
5.6.170.0160.03216.21
5.6.160.0040.03416.23
5.6.150.0080.02915.54
5.6.140.0080.03315.49
5.6.130.0060.03515.46
5.6.120.0090.02316.41
5.6.110.0080.02916.50
5.6.100.0080.03216.25
5.6.90.0070.01816.42
5.6.80.0050.02816.20
5.6.70.0110.03116.27
5.6.60.0070.00614.00
5.6.50.0090.00413.98
5.6.40.0040.00614.18
5.6.30.0050.00813.88
5.6.20.0020.00913.99
5.6.10.0020.01114.02
5.6.00.0020.01314.14
5.5.380.0070.00512.56
5.5.370.0040.01112.35
5.5.360.0070.00412.50
5.5.350.0040.01514.88
5.5.340.0040.01614.29
5.5.330.0070.02314.99
5.5.320.0130.02915.10
5.5.310.0140.01815.04
5.5.300.0070.03114.30
5.5.290.0050.02814.35
5.5.280.0080.02815.14
5.5.270.0070.03014.97
5.5.260.0060.02415.23
5.5.250.0030.03515.11
5.5.240.0040.02014.93
5.5.230.0050.00312.24
5.5.220.0050.00412.21
5.5.210.0060.00412.49
5.5.200.0080.00312.37
5.5.190.0040.00612.21
5.5.180.0020.01112.34
5.5.170.0030.00612.20
5.5.160.0000.00812.29
5.5.150.0050.00612.44
5.5.140.0090.00412.52
5.5.130.0030.00512.35
5.5.120.0050.00812.44
5.5.110.0050.00812.56
5.5.100.0050.00512.43
5.5.90.0030.00812.39
5.5.80.0060.00912.57
5.5.70.0070.00612.00
5.5.60.0080.00412.48
5.5.50.0070.00312.52
5.5.40.0040.00812.62
5.5.30.0080.00112.38
5.5.20.0060.00512.35
5.5.10.0070.00612.46
5.5.00.0050.00912.39
5.4.450.0250.02513.82
5.4.440.0320.02113.70
5.4.430.0060.01913.83
5.4.420.0080.02613.72
5.4.410.0040.02213.75
5.4.400.0320.00213.50
5.4.390.0640.00613.60
5.4.380.0110.02113.55
5.4.370.0100.01813.42
5.4.360.0070.02113.44
5.4.350.0070.02213.50
5.4.340.0040.02313.66
5.4.330.0050.00511.04
5.4.320.0040.01511.50
5.4.310.0030.01911.47
5.4.300.0050.01511.38
5.4.290.0040.01711.40
5.4.280.0040.01911.41
5.4.270.0080.01813.52
5.4.260.0080.02013.62
5.4.250.0070.01913.56
5.4.240.0060.02113.66
5.4.230.0060.02513.53
5.4.220.0030.02413.58
5.4.210.0060.02413.53
5.4.200.0060.02313.42
5.4.190.0060.02413.55
5.4.180.0080.02513.63
5.4.170.0090.02113.65
5.4.160.0060.02213.66
5.4.150.0050.02713.58
5.4.140.0060.02312.79
5.4.130.0060.02512.71
5.4.120.0060.02112.80
5.4.110.0120.02112.69
5.4.100.0090.02012.75
5.4.90.0110.02112.75
5.4.80.0070.02312.61
5.4.70.0020.02312.67
5.4.60.0060.02012.70
5.4.50.0030.02012.78
5.4.40.0030.02812.60
5.4.30.0060.02512.71
5.4.20.0020.02212.72
5.4.10.0080.01912.60
5.4.00.0050.01912.54
5.3.290.0030.01711.47
5.3.280.0070.02412.00
5.3.270.0030.02412.11
5.3.260.0040.02212.11
5.3.250.0080.01912.04
5.3.240.0010.02412.02
5.3.230.0050.02712.06
5.3.220.0060.02211.93
5.3.210.0050.02511.99
5.3.200.0080.01811.95
5.3.190.0040.02811.94
5.3.180.0040.02412.04
5.3.170.0020.02512.08
5.3.160.0020.02311.98
5.3.150.0040.03012.03
5.3.140.0040.02112.09
5.3.130.0030.02511.97
5.3.120.0070.02612.04
5.3.110.0050.02511.97
5.3.100.0050.02311.82
5.3.90.0030.02911.85
5.3.80.0060.02611.80
5.3.70.0070.02011.79
5.3.60.0080.02211.79
5.3.50.0040.02011.79
5.3.40.0050.02011.82
5.3.30.0080.02611.72
5.3.20.0120.02011.64
5.3.10.0020.02211.72
5.3.00.0050.02211.71
5.2.170.0030.03210.70
5.2.160.0060.01810.66
5.2.150.0050.02210.66
5.2.140.0060.02110.66
5.2.130.0070.02010.68
5.2.120.0070.01810.62
5.2.110.0020.02310.68
5.2.100.0080.02710.63
5.2.90.0040.03110.64
5.2.80.0070.02310.60
5.2.70.0020.02510.72
5.2.60.0000.02710.66
5.2.50.0040.02610.58
5.2.40.0080.02010.50
5.2.30.0030.03010.62
5.2.20.0070.02110.56
5.2.10.0020.03110.63
5.2.00.0030.02110.47
5.1.60.0030.01810.17
5.1.50.0020.02510.09
5.1.40.0030.02210.06
5.1.30.0030.02110.23
5.1.20.0020.03010.33
5.1.10.0070.02210.20
5.1.00.0090.01310.27
5.0.50.0000.0219.41
5.0.40.0030.0159.21
5.0.30.0030.0309.25
5.0.20.0040.0189.24
5.0.10.0030.0219.21
5.0.00.0060.0229.21
4.4.90.0020.0139.21
4.4.80.0000.0159.21
4.4.70.0030.0149.21
4.4.60.0020.0139.21
4.4.50.0030.0109.21
4.4.40.0020.0189.21
4.4.30.0030.0119.21
4.4.20.0030.0139.21
4.4.10.0030.0159.21
4.4.00.0050.0189.21
4.3.110.0030.0119.21
4.3.100.0020.0129.21
4.3.90.0020.0159.21
4.3.80.0030.0179.21
4.3.70.0020.0129.21
4.3.60.0060.0109.21
4.3.50.0020.0149.21
4.3.40.0010.0189.21
4.3.30.0020.0139.21
4.3.20.0030.0139.21
4.3.10.0000.0149.21
4.3.00.0020.0168.82

preferences:
56.61 ms | 401 KiB | 5 Q