3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = memory_get_usage(); $str = str_repeat('0123456789', 100); var_dump(memory_get_usage() - $start);

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)
7.4.10.0070.01116.20
7.4.00.0060.01015.61
7.3.130.0130.00316.27
7.3.120.0060.00915.54
7.3.110.0040.01015.57
7.3.100.0060.00915.43
7.3.90.0070.00815.38
7.3.80.0020.01215.46
7.3.70.0050.00515.48
7.3.60.0040.00715.52
7.3.50.0020.00915.41
7.3.40.0040.00815.46
7.3.30.0100.00315.49
7.3.20.0110.00317.33
7.3.10.0060.00817.43
7.3.00.0090.00617.33
7.2.260.0040.01516.60
7.2.250.0050.01415.76
7.2.240.0080.00815.81
7.2.230.0060.00815.80
7.2.220.0040.00815.77
7.2.210.0080.00615.69
7.2.200.0000.01415.64
7.2.190.0070.00915.72
7.2.180.0080.00715.75
7.2.170.0060.00615.70
7.2.160.0030.01216.31
7.2.150.0110.00318.32
7.2.140.0080.00618.40
7.2.130.0060.00918.12
7.2.120.0060.00918.16
7.2.110.0090.00618.29
7.2.100.0030.01318.33
7.2.90.0070.01018.38
7.2.80.0110.00618.14
7.2.70.0110.00718.13
7.2.60.0040.00818.08
7.2.50.0140.00418.11
7.2.40.0070.00718.42
7.2.30.0000.01817.99
7.2.20.0060.00618.20
7.2.10.0060.00918.35
7.2.00.0030.00718.79
7.1.330.0050.00816.53
7.1.320.0050.01016.56
7.1.310.0050.00516.35
7.1.300.0070.00716.34
7.1.290.0060.00816.40
7.1.280.0050.00816.52
7.1.270.0080.00516.47
7.1.260.0060.00816.28
7.1.250.0060.00317.36
7.1.240.0140.00017.20
7.1.230.0140.00417.10
7.1.220.0100.00717.22
7.1.210.0070.00717.21
7.1.200.0070.00717.18
7.1.190.0050.00517.16
7.1.180.0040.01117.05
7.1.170.0100.00317.25
7.1.160.0000.01117.04
7.1.150.0130.00017.20
7.1.140.0070.00717.23
7.1.130.0060.00617.18
7.1.120.0030.01017.24
7.1.110.0000.01217.28
7.1.100.0060.00917.31
7.1.90.0070.00717.29
7.1.80.0050.00517.22
7.1.70.0060.01017.06
7.1.60.0110.00918.26
7.1.50.0070.00725.97
7.1.40.0110.00017.35
7.1.30.0040.00817.20
7.1.20.0100.00017.25
7.1.10.0040.01117.25
7.1.00.0000.04619.78
7.0.330.0070.00317.00
7.0.320.0030.01216.67
7.0.310.0040.00716.87
7.0.300.0070.00717.02
7.0.290.0060.00616.76
7.0.280.0070.00716.89
7.0.270.0110.00016.98
7.0.260.0000.01116.78
7.0.250.0090.00616.76
7.0.240.0060.00616.96
7.0.230.0100.00317.00
7.0.220.0080.00417.02
7.0.210.0080.00516.79
7.0.200.0240.00615.68
7.0.190.0030.01017.14
7.0.180.0060.00617.03
7.0.170.0030.00617.05
7.0.160.0070.00717.05
7.0.150.0080.00816.60
7.0.140.0120.00016.93
7.0.130.0030.00917.09
7.0.120.0030.01216.98
7.0.110.0070.00416.92
7.0.100.0080.00416.93
7.0.90.0040.00416.93
7.0.80.0000.01216.63
7.0.70.0030.01317.05
7.0.60.0120.04018.47
7.0.50.0090.04117.21
7.0.40.0100.03217.53
7.0.30.0080.04717.55
7.0.20.0200.03917.45
7.0.10.0090.04417.47
7.0.00.0070.03317.45
5.6.400.0070.00715.89
5.6.390.0040.00715.70
5.6.380.0030.01215.91
5.6.370.0040.01215.54
5.6.360.0000.01615.78
5.6.350.0060.00615.93
5.6.340.0040.01015.86
5.6.330.0040.00815.73
5.6.320.0080.00315.65
5.6.310.0080.00315.75
5.6.300.0140.00315.58
5.6.290.0040.00915.88
5.6.280.0070.03518.40
5.6.270.0100.00715.61
5.6.260.0070.00715.79
5.6.250.0070.00715.82
5.6.240.0040.00815.71
5.6.230.0070.00715.91
5.6.220.0030.00615.76
5.6.210.0150.03318.10
5.6.200.0080.02716.97
5.6.190.0080.04718.18
5.6.180.0220.03018.14
5.6.170.0170.02718.23
5.6.160.0070.04218.06
5.6.150.0070.04216.91
5.6.140.0030.03516.98
5.6.130.0050.03817.00
5.6.120.0120.04018.42
5.6.110.0050.05118.50
5.6.100.0100.03918.36
5.6.90.0100.04418.38
5.6.80.0060.02518.04
5.6.70.0060.00915.55
5.6.60.0060.00315.76
5.6.50.0060.00615.72
5.6.40.0040.01215.62
5.6.30.0070.00715.64
5.6.20.0060.00915.64
5.6.10.0030.00915.43
5.6.00.0080.00515.64
5.5.380.0060.00315.48
5.5.370.0030.00615.63
5.5.360.0040.00715.74
5.5.350.0210.03817.90
5.5.340.0140.03816.77
5.5.330.0050.04318.13
5.5.320.0100.03017.87
5.5.310.0230.04317.94
5.5.300.0080.03516.86
5.5.290.0030.04816.85
5.5.280.0020.03318.29
5.5.270.0030.02918.21
5.5.260.0110.04318.34
5.5.250.0100.04218.14
5.5.240.0050.03818.01
5.5.230.0160.00015.68
5.5.220.0030.00915.38
5.5.210.0070.00715.64
5.5.200.0000.01615.57
5.5.190.0120.00415.55
5.5.180.0000.01115.58
5.5.170.0060.00915.63
5.5.160.0080.00815.43
5.5.150.0110.00415.61
5.5.140.0070.01015.34
5.5.130.0020.01215.45
5.5.120.0090.00315.68
5.5.110.0100.00615.29
5.5.100.0050.00515.56
5.5.90.0070.00715.61
5.5.80.0030.01015.60
5.5.70.0070.00415.59
5.5.60.0060.00315.63
5.5.50.0070.00315.67
5.5.40.0080.00615.61
5.5.30.0030.01015.54
5.5.20.0040.01115.63
5.5.10.0040.00715.35
5.5.00.0090.00315.64
5.4.450.0400.03816.04
5.4.440.0350.04116.00
5.4.430.0360.03716.08
5.4.420.0320.03816.01
5.4.410.0340.04215.97
5.4.400.0430.03515.69
5.4.390.0350.04115.75
5.4.380.0330.03315.76
5.4.370.0370.03015.77
5.4.360.0420.03015.60
5.4.350.0270.04515.85
5.4.340.0330.02515.84
5.4.330.0050.00512.46
5.4.320.0350.04415.75
5.4.310.0270.03615.69
5.4.300.0310.02615.82
5.4.290.0300.03515.75
5.4.280.0120.04015.85
5.4.270.0210.03215.82
5.4.260.0130.04615.76
5.4.250.0150.04015.78
5.4.240.0300.03115.69
5.4.230.0200.03415.72
5.4.220.0190.03315.84
5.4.210.0160.03315.69
5.4.200.0150.03415.75
5.4.190.0120.03315.65
5.4.180.0150.03815.80
5.4.170.0200.03515.60
5.4.160.0150.02615.84
5.4.150.0180.03815.71
5.4.140.0430.04514.38
5.4.130.0120.04514.53
5.4.120.0320.04514.36
5.4.110.0200.03514.52
5.4.100.0180.03314.45
5.4.90.0070.04414.45
5.4.80.0340.04014.45
5.4.70.0230.03214.46
5.4.60.0320.04414.44
5.4.50.0330.04414.37
5.4.40.0330.04114.44
5.4.30.0390.03514.37
5.4.20.0390.04114.45
5.4.10.0420.03714.41
5.4.00.0400.03814.22

preferences:
38.17 ms | 400 KiB | 5 Q